diff --git a/LibDataBaseInterface/databaselms.cpp b/LibDataBaseInterface/databaselms.cpp
index d4216e3..3855acd 100644
--- a/LibDataBaseInterface/databaselms.cpp
+++ b/LibDataBaseInterface/databaselms.cpp
@@ -9,12 +9,11 @@
 const QString DataBaseLMS::TypeUserDBInstructor = "instructor";
 const QString DataBaseLMS::TypeUserDBTrainee = "trainee";
 
-DataBaseLMS::DataBaseLMS(QWidget *ownerWidget, QObject *parent):
+DataBaseLMS::DataBaseLMS(QObject *parent):
     QObject(parent),
     db(nullptr),
     UserNamePostgres(""),
-    PasswordPostgres(""),
-    ownerWidget(ownerWidget)
+    PasswordPostgres("")
 {
 
 }
diff --git a/LibDataBaseInterface/databaselms.h b/LibDataBaseInterface/databaselms.h
index 64d4fd9..3229716 100644
--- a/LibDataBaseInterface/databaselms.h
+++ b/LibDataBaseInterface/databaselms.h
@@ -31,7 +31,7 @@ class DATABASELMS_EXPORT DataBaseLMS : public QObject
     Q_OBJECT
 
 public:
-    DataBaseLMS(QWidget *ownerWidget, QObject *parent = nullptr);
+    DataBaseLMS(QObject *parent = nullptr);
     ~DataBaseLMS();
 
 signals:
@@ -132,9 +132,6 @@ protected:
 
     QString UserNamePostgres;
     QString PasswordPostgres;
-
-private:
-    QWidget* ownerWidget;
 };
 
 #endif // DATABASELMS_H
diff --git a/LibDataBaseInterface/interfacedatabaselms.cpp b/LibDataBaseInterface/interfacedatabaselms.cpp
index 1cea546..97f0d01 100644
--- a/LibDataBaseInterface/interfacedatabaselms.cpp
+++ b/LibDataBaseInterface/interfacedatabaselms.cpp
@@ -4,9 +4,8 @@
 #include <QTime>
 #include "interfacedatabaselms.h"
 
-InterfaceDataBaseLMS::InterfaceDataBaseLMS(QWidget *ownerWidget, QObject *parent):
-    DataBaseLMS(ownerWidget, parent),
-    ownerWidget(ownerWidget)
+InterfaceDataBaseLMS::InterfaceDataBaseLMS(QObject *parent):
+    DataBaseLMS(parent)
 {
 
 }
diff --git a/LibDataBaseInterface/interfacedatabaselms.h b/LibDataBaseInterface/interfacedatabaselms.h
index a63f7c4..4fa01d4 100644
--- a/LibDataBaseInterface/interfacedatabaselms.h
+++ b/LibDataBaseInterface/interfacedatabaselms.h
@@ -20,7 +20,7 @@ public:
         errAlreadyLogIn
     };
 public:
-    InterfaceDataBaseLMS(QWidget *ownerWidget, QObject *parent = nullptr);
+    InterfaceDataBaseLMS(QObject *parent = nullptr);
 
 public:
     //Соединение
@@ -105,9 +105,6 @@ public:
     int replaceReportFIM(TaskAmmFim task);
     int changeStatusTaskFIM(int id_task, QString status);
     int changeStatusTaskAMM(int id_task, QString status);
-
-private:    
-    QWidget* ownerWidget;
 };
 
 #endif // INTERFACEDATABASELMS_H
diff --git a/LibServer/Systems/assetsmanager.cpp b/LibServer/Systems/assetsmanager.cpp
index ca5afba..55ea4ed 100644
--- a/LibServer/Systems/assetsmanager.cpp
+++ b/LibServer/Systems/assetsmanager.cpp
@@ -110,6 +110,8 @@ QString AssetsManager::setVersion(QString versionName)
             currentVersionData = version;
             saveVersionToFile(currentVersionData);
 
+            Logger::instance().log("Set Version of materials: " + versionName);
+
             emit signal_setVersion(versionName);
 
             return version->getAbsolutPath();
diff --git a/LibServer/Systems/recognizesystem.cpp b/LibServer/Systems/recognizesystem.cpp
index c864b91..acb2fae 100644
--- a/LibServer/Systems/recognizesystem.cpp
+++ b/LibServer/Systems/recognizesystem.cpp
@@ -13,12 +13,10 @@ QObject(parent)
 
 }
 
-void RecognizeSystem::initialize(UpdateController *updateController,DataParser* dataParser,
-    ServerLMSWidget *server,SendSystem *sendSystem, ClientHandler *handler)
+void RecognizeSystem::initialize(UpdateController *updateController,DataParser* dataParser,SendSystem *sendSystem, ClientHandler *handler)
 {
     this->updateController = updateController;
     this->dataParser = dataParser;
-    this->server = server;
     this->clientHandler = handler;
     this->sendSystem = sendSystem;
     socket = handler->getSocket();
@@ -28,7 +26,7 @@ void RecognizeSystem::initialize(UpdateController *updateController,DataParser*
     connect(this,&RecognizeSystem::sigDeleteVersion,updateController,&UpdateController::deleteAssetVersion,Qt::AutoConnection);
     connect(this,&RecognizeSystem::sigCopyVersion,updateController,&UpdateController::createCopyVersion,Qt::AutoConnection);
     connect(this,&RecognizeSystem::sigXmlParser,dataParser->getProcessParser(),&ProcessParser::slot_read,Qt::AutoConnection);
-    connect(this,&RecognizeSystem::sigRecalculateDocs,server,&ServerLMSWidget::slot_UpdateDocs,Qt::AutoConnection);
+    //connect(this,&RecognizeSystem::sigRecalculateDocs,server,&ServerLMSWidget::slot_UpdateDocs,Qt::AutoConnection);
     connect(this,&RecognizeSystem::sigSendDocs,sendSystem,&SendSystem::sendDocs,Qt::AutoConnection);
 
     qDebug() << "Recognize init thread ID " << QThread::currentThreadId();
@@ -448,7 +446,8 @@ void RecognizeSystem::recognize()
         if(packetType == PacketType::RECALCULATE_DOCS)
         {
             emit sigCalculateHash();
-            emit sigRecalculateDocs();
+            //emit sigRecalculateDocs();
+            emit signal_updateDocsXML();
         }
 
         if(packetType == PacketType::GET_DOCS)
diff --git a/LibServer/Systems/recognizesystem.h b/LibServer/Systems/recognizesystem.h
index 21a8a01..752506c 100644
--- a/LibServer/Systems/recognizesystem.h
+++ b/LibServer/Systems/recognizesystem.h
@@ -25,8 +25,7 @@ class RecognizeSystem : public QObject
 
 public:
     RecognizeSystem(QObject *parent = nullptr);
-    void initialize(UpdateController *updateController,DataParser *dataParser,
-                    ServerLMSWidget *server,SendSystem *sendSystem, ClientHandler *handler);
+    void initialize(UpdateController *updateController,DataParser *dataParser, SendSystem *sendSystem, ClientHandler *handler);
     void recognize();
     ~RecognizeSystem();
 
@@ -37,14 +36,15 @@ signals:
     void sigChangeVersion(QString versionName);
     void sigDeleteVersion(QString versionName);
     void sigCopyVersion(QString versionName,QString newVersionName,QString author);
-    void sigRecalculateDocs();
+    //void sigRecalculateDocs();
     void sigSendDocs(QString docsPath);
 
+    void signal_updateDocsXML();
+
 private:
     UpdateController *updateController;
     SendSystem *sendSystem;
     DataParser *dataParser;
-    ServerLMSWidget *server;
     QString command;
     PacketType packetType;
     QString filePath;
diff --git a/LibServer/clienthandler/clienthandler.cpp b/LibServer/clienthandler/clienthandler.cpp
index 8e74f23..2572077 100644
--- a/LibServer/clienthandler/clienthandler.cpp
+++ b/LibServer/clienthandler/clienthandler.cpp
@@ -9,8 +9,8 @@ ClientHandler::ClientHandler( QObject *parent):
 {
 }
 
-void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
-    UpdateController *updateController,DataParser *dataParser)
+void ClientHandler::initialize(int descriptor,
+    UpdateController *updateController,DataParser *dataParser, QMutex *mutex)
 {
     this->socket = new QTcpSocket;
     this->thread = new QThread;
@@ -30,7 +30,6 @@ void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
     recognizeSystem->moveToThread(thread);
 
     this->updateController = updateController;
-    this->server = serverWidget;
 
     QString peerName = socket->peerName();
     QString peerAddress = socket->peerAddress().toString();
@@ -38,6 +37,8 @@ void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
 
     client = new Client(peerName,peerAddress,peerPort,socket);
 
+    connect(recognizeSystem,&RecognizeSystem::signal_updateDocsXML,this,&ClientHandler::signal_updateDocsXML);
+
     connect(this,&ClientHandler::sigSendXmlAnswer,sendSystem,&SendSystem::sendXmlAnswer,Qt::AutoConnection);
     connect(this,&ClientHandler::sigInitSender,sendSystem,&SendSystem::initialize,Qt::AutoConnection/*Qt::DirectConnection*/);
     connect(this,&ClientHandler::sigFileBlock,sendSystem,&SendSystem::sendFileBlock,Qt::AutoConnection);
@@ -57,9 +58,9 @@ void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
     connect(socket,&QTcpSocket::readyRead,this,&ClientHandler::initClientType,Qt::AutoConnection);
     initClientType();
 
-    recognizeSystem->initialize(updateController,dataParser,serverWidget,sendSystem, this);
+    recognizeSystem->initialize(updateController,dataParser,sendSystem, this);
     sendSystem->setClient(client,socket);
-    emit sigInitSender(dataParser,serverWidget->getMutex());
+    emit sigInitSender(dataParser, mutex);
 
     Logger::instance().log("SERVER: Client connected");
 }
diff --git a/LibServer/clienthandler/clienthandler.h b/LibServer/clienthandler/clienthandler.h
index dbfa812..5176998 100644
--- a/LibServer/clienthandler/clienthandler.h
+++ b/LibServer/clienthandler/clienthandler.h
@@ -67,14 +67,16 @@ signals:
     bool sigSocketFlush();
     void sigSendVersion();
     void sigSendPacketType(PacketType packetType);
-    void sigSendStop();
+    void sigSendStop();    
+
+    void signal_updateDocsXML();
 
 public :
     QThread *thread;
     QTcpSocket *socket;
 
-    void initialize(int descriptor, ServerLMSWidget *serverWidget,
-                    UpdateController *updateController, DataParser *dataParser);
+    void initialize(int descriptor,
+                    UpdateController *updateController, DataParser *dataParser, QMutex *mutex);
     void setClient(Client *value);
 private:
     UpdateController *updateController;
@@ -82,7 +84,6 @@ private:
     Client *client;
 
     SendSystem *sendSystem;
-    ServerLMSWidget *server;
 
     void initClientType();
     void packetTypeInit(PacketType packet, Client *client);
diff --git a/LibServer/metatypes.cpp b/LibServer/metatypes.cpp
index 74a7b98..949f0db 100644
--- a/LibServer/metatypes.cpp
+++ b/LibServer/metatypes.cpp
@@ -6,4 +6,9 @@ void registerMetaType()
     qRegisterMetaType<PacketType>("PacketType");
     qRegisterMetaType<UserType>("UserType");
     qRegisterMetaType<LogLevel>("LogLevel");
+    qRegisterMetaType<QStringList>("QStringList");
+    qRegisterMetaType<DataBaseSettings>("DataBaseSettings");
+
+    qRegisterMetaType<EStateServer>("EStateServer");
+    qRegisterMetaType<EStateBlockAutorization>("EStateBlockAutorization");
 }
diff --git a/LibServer/metatypes.h b/LibServer/metatypes.h
index ef63681..e8a6055 100644
--- a/LibServer/metatypes.h
+++ b/LibServer/metatypes.h
@@ -4,11 +4,17 @@
 #include "Data/PacketType.h"
 #include "Data/typesDataServerClient.h"
 #include "Systems/logger.h"
+#include "databaselms.h"
 
 void registerMetaType();
 
 Q_DECLARE_METATYPE(PacketType)
 Q_DECLARE_METATYPE(UserType)
 Q_DECLARE_METATYPE(LogLevel)
+Q_DECLARE_METATYPE(QStringList)
+Q_DECLARE_METATYPE(DataBaseSettings)
+
+Q_DECLARE_METATYPE(EStateServer)
+Q_DECLARE_METATYPE(EStateBlockAutorization)
 
 #endif // METATYPES_H
diff --git a/LibServer/multithreadserver/multithreadserver.cpp b/LibServer/multithreadserver/multithreadserver.cpp
index ed9cf31..3a45403 100644
--- a/LibServer/multithreadserver/multithreadserver.cpp
+++ b/LibServer/multithreadserver/multithreadserver.cpp
@@ -1,27 +1,39 @@
 #include "multithreadserver.h"
 
-MultiThreadServer::MultiThreadServer(ServerLMSWidget *widget,UpdateController *updateController,ProcessingSystem *processingSystem,
+MultiThreadServer::MultiThreadServer(UpdateController *updateController, DocsUpdater *docsUpdater,ProcessingSystem *processingSystem,
     DataParser *dataParser,qint16 hostPort, QObject *parent ):
     QTcpServer(parent),
-    serverLmsWidget(widget),
+    mutex(nullptr),
     hostPort(hostPort),
     processingSystem(processingSystem),
     updateController(updateController),
+    docsUpdater(docsUpdater),
     dataParser(dataParser),
     stateServer(stoped),
     stateBlockAutorization(blocked)
 {
     clientsMap = new QMap<int,ClientHandler*>;
+    mutex = new QMutex;
+
+    connect(this, &MultiThreadServer::signal_updateDocsXML, docsUpdater, &DocsUpdater::slot_updateDocsXML);
+}
+
+MultiThreadServer::~MultiThreadServer()
+{
+    delete mutex;
 }
 
 void MultiThreadServer::incomingConnection(qintptr socketDesriptor)
 {
     ClientHandler* newClient = new ClientHandler;
 
-    connect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize, Qt::AutoConnection/*Qt::DirectConnection*/);
+    connect(newClient,&ClientHandler::signal_updateDocsXML,this,&MultiThreadServer::slot_UpdateDocs);
+
+    //connect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize, Qt::AutoConnection/*Qt::DirectConnection*/);
     connect(newClient,&ClientHandler::sigClientDisconnected,this,&MultiThreadServer::slotDisconnectClient,Qt::AutoConnection);
-    emit sigInitClient(socketDesriptor,serverLmsWidget,updateController,dataParser);
-    disconnect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize);
+    //emit sigInitClient(socketDesriptor,serverLmsWidget,updateController,dataParser, getMutex());
+    newClient->initialize(socketDesriptor,updateController,dataParser, getMutex());
+    //disconnect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize);
 
     addClient(socketDesriptor,newClient);
 
@@ -40,19 +52,18 @@ bool MultiThreadServer::startServer()
 {
     if(stateServer == stoped)
     {
-        //connect(tcpServer, &QTcpServer::newConnection, this, &ServerLMSWidget::slotNewConnection,Qt::AutoConnection);
-
         if(!listen(QHostAddress::Any, hostPort))
         {            
             stateServer = stoped;
+            emit signal_StateServer(stateServer, stateBlockAutorization);
             Logger::instance().log("SERVER: start ERROR");
             return false;
         }
         else
         {
-
-            stateServer = started;
+            stateServer = started;            
             slot_BlockAutorization(false, "SERVER", "StopServer");
+            emit signal_StateServer(stateServer, stateBlockAutorization);
             Logger::instance().log("SERVER: start OK");
             return true;
         }
@@ -71,6 +82,7 @@ bool MultiThreadServer::stopServer()
         close();
         stateServer = stoped;        
         slot_BlockAutorization(true, "SERVER", "StopServer");
+        emit signal_StateServer(stateServer, stateBlockAutorization);
         Logger::instance().log("SERVER: stop OK");
         return true;
     }
@@ -83,9 +95,20 @@ QMap<int, ClientHandler *> *MultiThreadServer::getClientsMap() const
     return clientsMap;
 }
 
+QStringList MultiThreadServer::getClientFullNameList()
+{
+    QStringList list;
+    for(ClientHandler* handler : *getClientsMap())
+    {
+        QString clientFullName = handler->getClient()->getFullName();
+        list.append(clientFullName);
+    }
+    return list;
+}
+
 void MultiThreadServer::updateClientList()
 {
-    serverLmsWidget->slot_UpdateListClients();
+    emit signal_UpdateListClients(getClientFullNameList());
 }
 
 void MultiThreadServer::disableClients()
@@ -151,8 +174,8 @@ void MultiThreadServer::slotDisconnectClient(QString peerAddress, QString peerPo
     emit signalStopSendFile();
     Logger::instance().log("SERVER: Client " + login + " disconnected");
 
-    serverLmsWidget->slot_UpdateListClients();
-    serverLmsWidget->getProcessingSystem()->processingClientDeAutorization(login);
+    emit signal_UpdateListClients(getClientFullNameList());
+    processingSystem->processingClientDeAutorization(login);
 }
 
 bool MultiThreadServer::slot_BlockAutorization(bool block, QString whoFullName, QString type)
@@ -259,15 +282,30 @@ bool MultiThreadServer::slot_BlockAutorization(bool block, QString whoFullName,
     return res;
 }
 
+void MultiThreadServer::slot_StartServer()
+{
+    startServer();
+}
+
+void MultiThreadServer::slot_StopServer()
+{
+    stopServer();
+}
+
+void MultiThreadServer::slot_UpdateDocs()
+{
+    emit signal_updateDocsXML();
+}
+
 void MultiThreadServer::removeClient(int idSocket)
 {
     clientsMap->remove(idSocket);
-    serverLmsWidget->slot_UpdateListClients();
+    emit signal_UpdateListClients(getClientFullNameList());
 }
 
 void MultiThreadServer::addClient(qintptr descriptor, ClientHandler *client)
 {
     (*clientsMap)[descriptor] = client;
-    serverLmsWidget->slot_UpdateListClients();
+    emit signal_UpdateListClients(getClientFullNameList());
 }
 
diff --git a/LibServer/multithreadserver/multithreadserver.h b/LibServer/multithreadserver/multithreadserver.h
index ca206c8..67a4ea7 100644
--- a/LibServer/multithreadserver/multithreadserver.h
+++ b/LibServer/multithreadserver/multithreadserver.h
@@ -1,27 +1,26 @@
 #ifndef MULTITHREADSERVER_H
 #define MULTITHREADSERVER_H
 
-#include "serverlmswidget.h"
 #include "Systems/processingsystem.h"
 #include <QObject>
 
 class ProcessingSystem;
+class DocsUpdater;
 class MultiThreadServer : public QTcpServer
 {
     Q_OBJECT
 
 public:
-    MultiThreadServer(ServerLMSWidget *widget,UpdateController *updateController,ProcessingSystem *processingSystem,
+    MultiThreadServer(UpdateController *updateController, DocsUpdater *docsUpdater,ProcessingSystem *processingSystem,
         DataParser *dataParser, qint16 hostPort, QObject *parent = nullptr);
+    ~MultiThreadServer();
 
 
     QMap<int, ClientHandler *> *getClientsMap() const;
+    QStringList getClientFullNameList();
     void updateClientList();
     void disableClients();
 
-    bool startServer();
-    bool stopServer();
-
     EStateBlockAutorization getStateBlockAutorization() const
     {
         return stateBlockAutorization;
@@ -30,38 +29,60 @@ public:
     {
         return stateServer;
     }
+    QMutex *getMutex() const
+    {
+        return mutex;
+    }
 
 private:
+
+    bool startServer();
+    bool stopServer();
+
     void blockAutorization()
     {
         stateBlockAutorization = blocked;
+        emit signal_StateServer(stateServer, stateBlockAutorization);
     }
     void unBlockAutorization()
     {
         stateBlockAutorization = unblocked;
+        emit signal_StateServer(stateServer, stateBlockAutorization);
     }
 
 signals:
-    void sigInitClient(int descriptor, ServerLMSWidget *serverWidget,
-                       UpdateController *updateController, DataParser *dataParser);
+    //void sigInitClient(int descriptor, ServerLMSWidget *serverWidget,
+    //                   UpdateController *updateController, DataParser *dataParser, QMutex *mutex);
     void signalStopSendFile();
 
     void signal_BlockAutorizationIndicate(bool block, QString blocker, QString types);
     void signal_sendPacketToAllClients(PacketType packetType, bool flOnlyGUI);
 
+    void signal_StateServer(EStateServer stateServer, EStateBlockAutorization stateBlockAutorization);
+
+    void signal_UpdateListClients(QStringList listFullName);
+
+    void signal_updateDocsXML();
+
 public slots:
     void slotDisconnectClient(QString peerAddress, QString peerPort);
 
     bool slot_BlockAutorization(bool block, QString whoFullName, QString type);
+
+    void slot_StartServer();
+    void slot_StopServer();
+
+    void slot_UpdateDocs();
 protected:
     void incomingConnection(qintptr handle) override;
 
 private:
-    ServerLMSWidget *serverLmsWidget;
+    QMutex *mutex;
     QMap<int, ClientHandler*> *clientsMap;
     qint16 hostPort;
     ProcessingSystem *processingSystem;
     UpdateController *updateController;
+    DocsUpdater *docsUpdater;
     DataParser *dataParser;
 
     EStateServer stateServer;
diff --git a/LibServer/providerdblms/providerdblms.cpp b/LibServer/providerdblms/providerdblms.cpp
index 8353ff4..c0846d6 100644
--- a/LibServer/providerdblms/providerdblms.cpp
+++ b/LibServer/providerdblms/providerdblms.cpp
@@ -3,12 +3,11 @@
 #include <QThread>
 #include <QMessageBox>
 
-ProviderDBLMS::ProviderDBLMS(QWidget *parentWidget, QObject *parent) :
+ProviderDBLMS::ProviderDBLMS(QObject *parent) :
     QObject(parent),
-    dbLMS(nullptr),
-    parentWidget(parentWidget)
+    dbLMS(nullptr)
 {
-    dbLMS = new InterfaceDataBaseLMS(parentWidget);
+    dbLMS = new InterfaceDataBaseLMS();
     connect(dbLMS, &InterfaceDataBaseLMS::signal_ErrorPostgreSQL, this, &ProviderDBLMS::signal_ErrorPostgreSQL);
 }
 
@@ -17,6 +16,15 @@ ProviderDBLMS::~ProviderDBLMS()
     DisConnectionFromDB();
 }
 
+void ProviderDBLMS::slot_TryConnectionToDB()
+{
+    ConnectionToDB();
+}
+void ProviderDBLMS::slot_TryDisConnectionFromDB()
+{
+    DisConnectionFromDB();
+}
+
 bool ProviderDBLMS::ConnectionToDB()
 {
    mtxAccess.lock();
@@ -26,15 +34,31 @@ bool ProviderDBLMS::ConnectionToDB()
        {
            bool res = Q_EMIT signal_BlockAutorization(false, "SERVER", "DisConnectionDB");
 
+           bool res1 = dbLMS->deAuthorizationAllTrainees();
+           bool res2 = dbLMS->deAuthorizationAllInstructors();
+
+           emit signal_StateConnectionToDB(true, getDBSettings());
+           emit signal_ResultTryConnectDb(true);
+
            mtxAccess.unlock();
            return  true;
        }
        else
-       {
+       {           
+           emit signal_StateConnectionToDB(false, getDBSettings());
+           emit signal_ResultTryConnectDb(false);
+
            mtxAccess.unlock();
            return false;
        }
-   }
+   }   
+
+   bool res1 = dbLMS->deAuthorizationAllTrainees();
+   bool res2 = dbLMS->deAuthorizationAllInstructors();
+
+   emit signal_StateConnectionToDB(true, getDBSettings());
+   emit signal_ResultTryConnectDb(true);
+
    mtxAccess.unlock();
    return true;
 }
@@ -46,7 +70,19 @@ void ProviderDBLMS::DisConnectionFromDB()
     {
         bool res = Q_EMIT signal_BlockAutorization(true, "SERVER", "DisConnectionDB");
 
-        dbLMS->disConnectionFromDB();
+        bool res1 = dbLMS->deAuthorizationAllTrainees();
+        bool res2 = dbLMS->deAuthorizationAllInstructors();
+
+        if(dbLMS->disConnectionFromDB())
+        {
+            emit signal_ResultTryDisConnectDb(true);
+            emit signal_StateConnectionToDB(false, getDBSettings());
+        }
+    }
+    else
+    {
+        emit signal_ResultTryDisConnectDb(true);
+        emit signal_StateConnectionToDB(false, getDBSettings());
     }
     mtxAccess.unlock();
 }
diff --git a/LibServer/providerdblms/providerdblms.h b/LibServer/providerdblms/providerdblms.h
index 5e9c298..c4ae896 100644
--- a/LibServer/providerdblms/providerdblms.h
+++ b/LibServer/providerdblms/providerdblms.h
@@ -10,7 +10,7 @@ class ProviderDBLMS : public QObject
 {
     Q_OBJECT
 public:
-    explicit ProviderDBLMS(QWidget *parentWidget, QObject *parent = nullptr);
+    explicit ProviderDBLMS(QObject *parent = nullptr);
     ~ProviderDBLMS();
 public:
     QString getMainInstructorName();
@@ -75,10 +75,20 @@ Q_SIGNALS:
     bool signal_BlockAutorization(bool block, QString whoFullName, QString type);
 signals:
     void signal_ErrorPostgreSQL(QString text);
+    void signal_StateConnectionToDB(bool dbIsConnected, DataBaseSettings dbSettings);
 
-public:
+    void signal_ResultTryConnectDb(bool result);
+    void signal_ResultTryDisConnectDb(bool result);
+
+public slots:
+    void slot_TryConnectionToDB();
+    void slot_TryDisConnectionFromDB();
+
+private:
     bool ConnectionToDB();
     void DisConnectionFromDB();
+
+public:
     bool DBisConnected();
     DataBaseSettings getDBSettings();
 
@@ -94,7 +104,6 @@ public:
 private:
     InterfaceDataBaseLMS* dbLMS;
     QMutex mtxAccess;
-    QWidget *parentWidget;
 };
 
 #endif // PROVIDERDBLMS_H
diff --git a/LibServer/serverlmswidget.cpp b/LibServer/serverlmswidget.cpp
index 8a82a23..10e3244 100644
--- a/LibServer/serverlmswidget.cpp
+++ b/LibServer/serverlmswidget.cpp
@@ -4,37 +4,45 @@
 #include <QFile>
 #include <QThread>
 #include <QErrorMessage>
+
 #include "serverlmswidget.h"
 #include "dialogsettingstray.h"
 #include "specialmessagebox.h"
-#include "ui_serverlmswidget.h"
 #include "metatypes.h"
+#include "ui_serverlmswidget.h"
+
 
 const QString ServerLMSWidget::languageENG = "en_EN";
 const QString ServerLMSWidget::languageRUS = "ru_RU";
 
+
 ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::ServerLMSWidget),
     waitAnimationWidget(nullptr),    
     updateThread(nullptr),
     loggerThread(nullptr),
-    mutex(nullptr),
+    serverThread(nullptr),
     server(nullptr),
     dataParser(nullptr),
     processingSystem(nullptr),
-    updateController(nullptr),
-    assetsManager(nullptr),
     commonClientHandler(nullptr),
     chatSystem(nullptr),
+    providerDBLMS(nullptr),
+    updateController(nullptr),
+    assetsManager(nullptr),
     docsUpdater(nullptr),
-    cfiController(nullptr),
-    providerDBLMS(nullptr),    
-    first (true),
+    cfiController(nullptr),       
+    first(true),
     language(languageENG),
     errorCode(0),
-    versionStr("..."),
-    flStartInitialization(false)
+    stateVersionMaterials("..."),
+    dbIsConnected(false),
+    stateServer(EStateServer::stoped),
+    stateBlockAutorization(EStateBlockAutorization::unblocked),
+    flStartInitialization(false),
+    flTryConnectionToDB(false),
+    flNeedReconnectDB(false)
 {
     ui->setupUi(this);
 
@@ -49,26 +57,31 @@ ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
 
     updateMyStyleSheet();
 
-    setLanguageInterfase();
+    initLanguageInterfase();
 
     waitAnimationWidget = new WaitAnimationWidget;
     QMovie *movie = new QMovie(":/resources/icons/762.gif");
     waitAnimationWidget->setParent(this);
     waitAnimationWidget->initialize(movie,this);
 
-    updateStateOnlyVersion();
+    updateStateOnlyVersionMaterials();
 }
 
 ServerLMSWidget::~ServerLMSWidget()
 {
     if(flStartInitialization)
     {
-        server->stopServer();
+        emit signal_StopServer();
+        //server->stopServer();
 
         updateThread->quit();
         updateThread->wait();
         delete updateThread;
 
+        serverThread->quit();
+        serverThread->wait();
+        delete serverThread;
+
         delete server;
         delete commonClientHandler;
         delete dataParser;
@@ -79,8 +92,6 @@ ServerLMSWidget::~ServerLMSWidget()
         delete assetsManager;
         delete chatSystem;
 
-        delete mutex;
-
         loggerThread->quit();
         loggerThread->wait();
         delete loggerThread;
@@ -94,6 +105,16 @@ ServerLMSWidget::~ServerLMSWidget()
     delete ui;
 }
 
+
+//INTERFACE
+void ServerLMSWidget::start()
+{
+    startInitialization_step0();
+}
+
+
+//EVENT
+
 void ServerLMSWidget::changeEvent(QEvent *event)
 {
     // В случае получения события изменения языка приложения
@@ -103,7 +124,7 @@ void ServerLMSWidget::changeEvent(QEvent *event)
 
         updateStateOnlyServer();
         updateStateOnlyDB();
-        updateStateOnlyVersion();
+        updateStateOnlyVersionMaterials();
     }
 }
 
@@ -113,27 +134,137 @@ void ServerLMSWidget::resizeEvent(QResizeEvent *event)
     waitAnimationWidget->resize(size);
 }
 
-void ServerLMSWidget::slot_UpdateListClients()
+
+//STYLESHEET
+
+void ServerLMSWidget::updateMyStyleSheet()
+{
+    QString styleSheet = loadStyleSheet();
+    styleSheet = styleSheet.replace("\n", "");
+
+    this->setStyleSheet(styleSheet);
+}
+
+QString ServerLMSWidget::loadStyleSheet()
+{
+    QString fileName = "./resources/css/styleSheetMain.css";
+    QFile styleSheetFile(fileName);
+    if (!styleSheetFile.open(QFile::ReadOnly | QFile::Text))
+    {
+        SpecMsgBox::WarningClose(this, tr("The file could not be opened ") + fileName);
+        return QStringLiteral("");
+    }
+    else
+    {
+        QByteArray byteArray = styleSheetFile.readAll();
+        styleSheetFile.close();
+
+        QString style = byteArray;
+        return style;
+    }
+}
+
+
+//LANGUAGE
+
+void ServerLMSWidget::initLanguageInterfase()
+{
+    ServerDBSettings settings;
+    DialogSettingsTray::loadSettings(&settings);
+
+    if(settings.Language == "ENG")
+    {
+        qtLanguageTranslator.load(QString("translations/RRJServer_") + languageENG, ".");
+        language = languageENG;
+    }
+    else
+    {
+        qtLanguageTranslator.load(QString("translations/RRJServer_") + languageRUS, ".");
+        language = languageRUS;
+    }
+
+    qApp->installTranslator(&qtLanguageTranslator);
+
+    emit signal_LanguageChanged(language);
+}
+
+
+//UPDATE STATES
+
+void ServerLMSWidget::updateStateOnlyServer()
+{
+    if(stateServer == EStateServer::started)
+    {
+        if(stateBlockAutorization == EStateBlockAutorization::unblocked)
+        {
+            ui->lblOnOffText->setText(tr("started"));
+            ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
+        }
+        else
+        {
+            ui->lblOnOffText->setText(tr("started") + ", " + tr("locked"));
+            ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/lock.png")));
+        }
+    }
+    else
+    {
+        ui->lblOnOffText->setText(tr("stoped"));
+        ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/stoped.png")));
+    }
+
+    emit signal_updateStateServer(stateServer, stateBlockAutorization);
+}
+
+void ServerLMSWidget::updateStateOnlyDB()
+{
+    if(dbIsConnected)
+    {
+        //Настройки БД
+        QString strDBsettings = tr("connected") + QString("   [%1 (%2) %3 : %4]").arg(dbSettings.dbName,
+                                                               dbSettings.dbType,
+                                                               dbSettings.dbHostName,
+                                                               QString::number(dbSettings.dbPort));
+        ui->lblDBsettings->setText(strDBsettings);
+        ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
+    }
+    else
+    {
+        ui->lblDBsettings->setText(tr("not connected"));
+        ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGray.png")));
+
+        ui->btnStopServer->setEnabled(false);
+        ui->btnStartServer->setEnabled(false);
+    }
+}
+
+void ServerLMSWidget::updateStateOnlyVersionMaterials()
+{
+    ui->lblVersionText->setText(stateVersionMaterials);
+}
+
+
+//SLOTS
+
+void ServerLMSWidget::slot_UpdateListClients(QStringList listFullName)
 {
     //Очищаем список
     ui->listWidget_Clients->clear();
 
-    for (const ClientHandler *handler : server->getClientsMap()->values())
+    for (const QString clientFullName : listFullName)
     {
-        QString strClient = handler->getClient()->getFullName();
+        //QString clientFullName = handler->getClient()->getFullName();
 
-        ui->listWidget_Clients->addItem(strClient);
+        ui->listWidget_Clients->addItem(clientFullName);
         ui->listWidget_Clients->scrollToBottom();
         ui->listWidget_Clients->setCurrentRow(ui->listWidget_Clients->count() - 1);
     }
 
-    int countClients = (*server->getClientsMap()).count();
+    int countClients = listFullName.count();
     Logger::instance().log("SERVER: countClients = " + QString::number(countClients));
 }
 
 void ServerLMSWidget::slot_AddMessageToLog(QString message)
 {
-    //ui->loggerTextField->appendPlainText(message);
     ui->loggerTextField->appendHtml(message);
 }
 
@@ -143,60 +274,100 @@ void ServerLMSWidget::slot_ErrorPostgreSQL(QString text)
     SpecMsgBox::CriticalClose(this, tr("Error PostgreSQL!") + "\n" + text);
 }
 
+void ServerLMSWidget::slot_StateConnectionToDB(bool dbIsConnected, DataBaseSettings dbSettings)
+{
+    this->dbIsConnected = dbIsConnected;
+    this->dbSettings = dbSettings;
+    updateStateOnlyDB();
+}
+
+void ServerLMSWidget::slot_StateServer(EStateServer stateServer, EStateBlockAutorization stateBlockAutorization)
+{
+    if(this->stateServer != stateServer)
+    {
+        if(stateServer == EStateServer::started)
+        {
+            ui->btnStartServer->setEnabled(false);
+            ui->btnStopServer->setEnabled(true);
+            emit signal_Tray_ShowMessage(tr("Server is started!"));
+        }
+        else
+        {
+            ui->btnStopServer->setEnabled(false);
+            ui->btnStartServer->setEnabled(true);
+            emit signal_Tray_ShowMessage(tr("Server is stoped!"));
+        }
+    }
+    this->stateServer = stateServer;
+    this->stateBlockAutorization = stateBlockAutorization;
+    updateStateOnlyServer();
+}
+
+void ServerLMSWidget::slot_StateVersionMaterials(QString versionStr)
+{
+    this->stateVersionMaterials = versionStr;
+    updateStateOnlyVersionMaterials();
+}
+
+void ServerLMSWidget::slot_ResultTryConnectDb(bool result)
+{
+    if(flTryConnectionToDB)
+    {
+        flTryConnectionToDB = false;
+
+        if(result)
+        {
+            //Настройки БД
+            DataBaseSettings dbSettings = providerDBLMS->getDBSettings();
+            QString strDBsettings = QString("%1 (%2) %3 : %4").arg(dbSettings.dbName,
+                                                                   dbSettings.dbType,
+                                                                   dbSettings.dbHostName,
+                                                                   QString::number(dbSettings.dbPort));
+
+            Logger::instance().log("Connection to DB completed!");
+
+            emit signal_Tray_ShowMessage(tr("Database connection OK!") + "\n" + strDBsettings);
+
+            on_btnStartServer_clicked();
+        }
+        else
+        {
+            Logger::instance().log("Database connection error!");
+
+            emit signal_Tray_ShowMessage(tr("Database connection error!"), QSystemTrayIcon::Critical);
+
+            emit signal_Menu_ShowWindow();
+
+            SpecMsgBox::CriticalClose(this, tr("Database connection error!"));
+
+            on_btnSettings_clicked();
+        }
+    }
+}
+
+void ServerLMSWidget::slot_ResultTryDisConnectDb(bool result)
+{
+    if(flNeedReconnectDB)
+    {
+        flNeedReconnectDB = false;
+
+        SpecMsgBox::WarningClose(this, tr("Database settings have been changed.\nThe server will be restarted."));
+
+        tryConnectionToDB();
+    }
+}
+
+
 void ServerLMSWidget::slot_UpdateDocs()
 {
-    //QApplication::setOverrideCursor(Qt::WaitCursor);
-
     emit signal_updateDocsXML();
-
-    //if(docsUpdater->slot_updateDocsXML())
-        //emit signal_DocsChanged();
-
-    //QApplication::restoreOverrideCursor();
-
-    //TODO для теста
-    //cfiController->test();
 }
 
-void ServerLMSWidget::slot_startInitialization_step1()
+void ServerLMSWidget::slot_UpdateControllerInitializeFinished()
 {
-    Logger::instance().log("Update docs.xml...");
-    slot_UpdateDocs();
-    Logger::instance().log("Update docs.xml completed!");
-
-    ui->btnStopServer->setEnabled(false);
-    ui->btnStartServer->setEnabled(true);
-
-    flStartInitialization = true;
-
-    updateStateOnlyServer();
-    updateStateOnlyDB();
-    updateStateOnlyVersion();
-
-    //QApplication::restoreOverrideCursor();
-
-    if(hasError() == 100)
-        return;
-
-    Logger::instance().log("Try connection to DB...");
-    tryConnectionToDB();
-
-    waitAnimationWidget->hideWithStop();
-
-    emit signal_InitializeFinished();
+    startInitialization_step1();
 }
 
-void ServerLMSWidget::slot_setVersion(QString versionStr)
-{
-    this->versionStr = versionStr;
-    Logger::instance().log("Set Version: " + versionStr);
-    updateStateOnlyVersion();
-}
-
-void ServerLMSWidget::start()
-{
-    startInitialization_step0();
-}
 
 void ServerLMSWidget::slot_BlockAutorizationIndicate(bool block, QString blocker, QString types)
 {
@@ -225,9 +396,13 @@ void ServerLMSWidget::slot_LanguageChanged(QString language)
     emit signal_LanguageChanged(language);
 }
 
+
+//ON_BTN
+
 void ServerLMSWidget::on_btnStartServer_clicked()
 {
-    if(server->startServer())
+    emit signal_StartServer();
+    //if(server->startServer())
     {
         //QApplication::setOverrideCursor(Qt::WaitCursor);
 
@@ -237,7 +412,7 @@ void ServerLMSWidget::on_btnStartServer_clicked()
 
         //updateStateOnlyServer();
 
-        emit signal_Tray_ShowMessage(tr("Server is started!"));
+        //emit signal_Tray_ShowMessage(tr("Server is started!"));
 
         //QApplication::restoreOverrideCursor();
     }
@@ -245,7 +420,8 @@ void ServerLMSWidget::on_btnStartServer_clicked()
 
 void ServerLMSWidget::on_btnStopServer_clicked()
 {
-    if(server->stopServer())
+    emit signal_StopServer();
+    //if(server->stopServer())
     {
         //QApplication::setOverrideCursor(Qt::WaitCursor);
 
@@ -255,7 +431,7 @@ void ServerLMSWidget::on_btnStopServer_clicked()
 
         //updateStateOnlyServer();
 
-        emit signal_Tray_ShowMessage(tr("Server is stoped!"));
+        //emit signal_Tray_ShowMessage(tr("Server is stoped!"));
 
         //QApplication::restoreOverrideCursor();
     }
@@ -289,15 +465,18 @@ void ServerLMSWidget::on_btnSettings_clicked()
         {
             on_btnStopServer_clicked();
 
-            providerDBLMS->deAuthorizationAll();
+            //providerDBLMS->deAuthorizationAll();
 
-            providerDBLMS->DisConnectionFromDB();
+            //providerDBLMS->DisConnectionFromDB();
 
-            updateStateOnlyDB();
+            flNeedReconnectDB = true;
+            flTryConnectionToDB = false;
 
-            SpecMsgBox::WarningClose(this, tr("Database settings have been changed.\nThe server will be restarted."));
+            emit signal_TryDisConnectionFromDB();
 
-            tryConnectionToDB();
+            //updateStateOnlyDB();
+
+            break;
         }
 
         break;
@@ -309,72 +488,31 @@ void ServerLMSWidget::on_btnSettings_clicked()
     }
 }
 
-void ServerLMSWidget::setLanguageInterfase()
-{
-    ServerDBSettings settings;
-    DialogSettingsTray::loadSettings(&settings);
 
-    if(settings.Language == "ENG")
-    {
-        qtLanguageTranslator.load(QString("translations/RRJServer_") + languageENG, ".");
-        language = languageENG;
-    }
-    else
-    {
-        qtLanguageTranslator.load(QString("translations/RRJServer_") + languageRUS, ".");
-        language = languageRUS;
-    }
-
-    qApp->installTranslator(&qtLanguageTranslator);
-
-    emit signal_LanguageChanged(language);
-}
-
-void ServerLMSWidget::updateMyStyleSheet()
-{
-    QString styleSheet = loadStyleSheet();
-    styleSheet = styleSheet.replace("\n", "");
-
-    this->setStyleSheet(styleSheet);
-}
-
-QString ServerLMSWidget::loadStyleSheet()
-{
-    QString fileName = "./resources/css/styleSheetMain.css";
-    QFile styleSheetFile(fileName);
-    if (!styleSheetFile.open(QFile::ReadOnly | QFile::Text))
-    {
-        SpecMsgBox::WarningClose(this, tr("The file could not be opened ") + fileName);
-        return QStringLiteral("");
-    }
-    else
-    {
-        QByteArray byteArray = styleSheetFile.readAll();
-        styleSheetFile.close();
-
-        QString style = byteArray;
-        return style;
-    }
-}
+//INIT
 
 void ServerLMSWidget::startInitialization_step0()
 {
     emit signal_Tray_ShowMessage(tr("Starting the server..."));
 
-    waitAnimationWidget->showWithPlay();
-
-    //QApplication::setOverrideCursor(Qt::WaitCursor);
-
-    providerDBLMS = new ProviderDBLMS(this);
-    connect(providerDBLMS, &ProviderDBLMS::signal_ErrorPostgreSQL, this, &ServerLMSWidget::slot_ErrorPostgreSQL);
-    //connect(providerDBLMS, &ProviderDBLMS::signal_BlockAutorization, this, &ServerLMSWidget::slot_BlockAutorizationIndicate);
-
-    mutex = new QMutex;
+    waitAnimationWidget->showWithPlay();    
 
     updateThread = new QThread;
     loggerThread = new QThread;
+    serverThread = new QThread;
+
+    providerDBLMS = new ProviderDBLMS();
+    providerDBLMS->moveToThread(serverThread);
+
+    connect(providerDBLMS, &ProviderDBLMS::signal_ErrorPostgreSQL, this, &ServerLMSWidget::slot_ErrorPostgreSQL);
+    connect(providerDBLMS, &ProviderDBLMS::signal_StateConnectionToDB, this, &ServerLMSWidget::slot_StateConnectionToDB);
+    connect(this, &ServerLMSWidget::signal_TryConnectionToDB, providerDBLMS, &ProviderDBLMS::slot_TryConnectionToDB);
+    connect(this, &ServerLMSWidget::signal_TryDisConnectionFromDB, providerDBLMS, &ProviderDBLMS::slot_TryDisConnectionFromDB);
+    connect(providerDBLMS, &ProviderDBLMS::signal_ResultTryConnectDb, this, &ServerLMSWidget::slot_ResultTryConnectDb);
+    connect(providerDBLMS, &ProviderDBLMS::signal_ResultTryDisConnectDb, this, &ServerLMSWidget::slot_ResultTryDisConnectDb);
 
     chatSystem = new ChatSystem();
+    chatSystem->moveToThread(serverThread);
 
     assetsManager = new AssetsManager;
     assetsManager->moveToThread(updateThread);
@@ -389,22 +527,33 @@ void ServerLMSWidget::startInitialization_step0()
     cfiController->moveToThread(updateThread);
 
     processingSystem = new ProcessingSystem(providerDBLMS, updateController, docsUpdater, cfiController);
+    processingSystem->moveToThread(serverThread);
 
     dataParser = new DataParser(assetsManager, processingSystem);
+    dataParser->moveToThread(serverThread);
 
     commonClientHandler = new CommonClientHandler;
-    //connect(this, &ServerLMSWidget::signal_DocsChanged, commonClientHandler, &CommonClientHandler::slot_DocsChanged);
-    connect(docsUpdater, &DocsUpdater::signal_DocsChanged, commonClientHandler, &CommonClientHandler::slot_DocsChanged);
-    //connect(commonClientHandler, &CommonClientHandler::sigSetServerState, this, &ServerLMSWidget::slot_trySetServerState);
+    commonClientHandler->moveToThread(serverThread);
+
+    connect(docsUpdater, &DocsUpdater::signal_DocsChanged, commonClientHandler, &CommonClientHandler::slot_DocsChanged);
+
+    server = new MultiThreadServer(updateController, docsUpdater, processingSystem, dataParser, 6000);
+    server->moveToThread(serverThread);
+
+    connect(server, &MultiThreadServer::signal_StateServer, this, &ServerLMSWidget::slot_StateServer);
+    connect(server, &MultiThreadServer::signal_UpdateListClients, this, &ServerLMSWidget::slot_UpdateListClients);
+
+    connect(this, &ServerLMSWidget::signal_StartServer, server, &MultiThreadServer::slot_StartServer);
+    connect(this, &ServerLMSWidget::signal_StopServer, server, &MultiThreadServer::slot_StopServer);
 
-    server = new MultiThreadServer(this, updateController, processingSystem, dataParser, 6000);
     connect(server, &MultiThreadServer::signal_BlockAutorizationIndicate, this, &ServerLMSWidget::slot_BlockAutorizationIndicate);
-    connect(providerDBLMS, &ProviderDBLMS::signal_BlockAutorization, server, &MultiThreadServer::slot_BlockAutorization/*, Qt::DirectConnection*/);
+    connect(providerDBLMS, &ProviderDBLMS::signal_BlockAutorization, server, &MultiThreadServer::slot_BlockAutorization, Qt::DirectConnection /*Тут именно DirectConnection!*/);
     connect(updateController, &UpdateController::signal_BlockAutorization, server, &MultiThreadServer::slot_BlockAutorization/*, Qt::DirectConnection*/);
     connect(server, &MultiThreadServer::signal_sendPacketToAllClients, commonClientHandler, &CommonClientHandler::slot_sendPacketToAllClients);
 
     loggerThread->start();
     updateThread->start();
+    serverThread->start();
 
     commonClientHandler->initialize(server->getClientsMap(), processingSystem, dataParser);
     processingSystem->initialize(server, dataParser, commonClientHandler, updateController, chatSystem);
@@ -415,108 +564,54 @@ void ServerLMSWidget::startInitialization_step0()
     Logger::instance().setLogToFile(true);
 
     connect(this, &ServerLMSWidget::sigUpdateControllerInitialize, updateController, &UpdateController::initialize);
-    connect(updateController, &UpdateController::sigInitializeFinished, this, &ServerLMSWidget::slot_startInitialization_step1);
+    connect(updateController, &UpdateController::sigInitializeFinished, this, &ServerLMSWidget::slot_UpdateControllerInitializeFinished);
     connect(this, &ServerLMSWidget::sigCalculateFullHash, updateController, &UpdateController::calculateFullHash, Qt::AutoConnection);
     connect(updateController, &UpdateController::sigErrorRequired, this, &ServerLMSWidget::setError);
     connect(updateController, &UpdateController::sigUpdateDocs, this, &ServerLMSWidget::slot_UpdateDocs, Qt::AutoConnection);
     connect(&Logger::instance(), &Logger::sigLogToWidget, this, &ServerLMSWidget::slot_AddMessageToLog, Qt::QueuedConnection);
 
-    connect(assetsManager, &AssetsManager::signal_setVersion, this, &ServerLMSWidget::slot_setVersion);
+    connect(assetsManager, &AssetsManager::signal_setVersion, this, &ServerLMSWidget::slot_StateVersionMaterials);
 
     connect(this, &ServerLMSWidget::signal_updateDocsXML, docsUpdater, &DocsUpdater::slot_updateDocsXML);
 
     emit sigUpdateControllerInitialize(commonClientHandler, dataParser, assetsManager);
 }
 
+void ServerLMSWidget::startInitialization_step1()
+{
+    Logger::instance().log("Update docs.xml...");
+    slot_UpdateDocs();
+    Logger::instance().log("Update docs.xml completed!");
+
+    ui->btnStopServer->setEnabled(false);
+    ui->btnStartServer->setEnabled(true);
+
+    flStartInitialization = true;
+
+    updateStateOnlyServer();
+    updateStateOnlyDB();
+    updateStateOnlyVersionMaterials();
+
+    //QApplication::restoreOverrideCursor();
+
+    if(hasError() == 100)
+        return;
+
+    Logger::instance().log("Try connection to DB...");
+    tryConnectionToDB();
+
+    waitAnimationWidget->hideWithStop();
+
+    emit signal_InitializeFinished();
+}
+
+
+//CONNECT DB
+
 void ServerLMSWidget::tryConnectionToDB()
 {
-    if(! providerDBLMS->ConnectionToDB())
-    {
-        Logger::instance().log("Database connection error!");
-
-        emit signal_Tray_ShowMessage(tr("Database connection error!"), QSystemTrayIcon::Critical);
-
-        emit signal_Menu_ShowWindow();
-
-        SpecMsgBox::CriticalClose(this, tr("Database connection error!"));
-
-        on_btnSettings_clicked();
-    }
-    else
-    {
-        providerDBLMS->deAuthorizationAll();
-
-        //Настройки БД
-        DataBaseSettings dbSettings = providerDBLMS->getDBSettings();
-        QString strDBsettings = QString("%1 (%2) %3 : %4").arg(dbSettings.dbName,
-                                                               dbSettings.dbType,
-                                                               dbSettings.dbHostName,
-                                                               QString::number(dbSettings.dbPort));
-
-        Logger::instance().log("Connection to DB completed!");
-
-        emit signal_Tray_ShowMessage(tr("Database connection OK!") + "\n" + strDBsettings);
-
-        on_btnStartServer_clicked();
-    }
-
-    updateStateOnlyDB();
-}
-
-void ServerLMSWidget::updateStateOnlyServer()
-{
-    if(server)
-    {
-        if(server->getStateServer() == EStateServer::started)
-        {
-            if(server->getStateBlockAutorization() == EStateBlockAutorization::unblocked)
-            {
-                ui->lblOnOffText->setText(tr("started"));
-                ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
-            }
-            else
-            {
-                ui->lblOnOffText->setText(tr("started") + ", " + tr("locked"));
-                ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/lock.png")));
-            }
-        }
-        else
-        {
-            ui->lblOnOffText->setText(tr("stoped"));
-            ui->lblOnOff->setPixmap(QPixmap(QStringLiteral(":/resources/icons/stoped.png")));
-        }
-
-        emit signal_updateStateServer(server->getStateServer(), server->getStateBlockAutorization());
-    }
-}
-
-void ServerLMSWidget::updateStateOnlyDB()
-{
-    if(providerDBLMS)
-    {
-        if(providerDBLMS->DBisConnected())
-        {
-            //Настройки БД
-            DataBaseSettings dbSettings = providerDBLMS->getDBSettings();
-            QString strDBsettings = tr("connected") + QString("   [%1 (%2) %3 : %4]").arg(dbSettings.dbName,
-                                                                   dbSettings.dbType,
-                                                                   dbSettings.dbHostName,
-                                                                   QString::number(dbSettings.dbPort));
-            ui->lblDBsettings->setText(strDBsettings);
-            ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGreen.png")));
-        }
-        else
-        {
-            ui->lblDBsettings->setText(tr("not connected"));
-            ui->lblDBisConnected->setPixmap(QPixmap(QStringLiteral(":/resources/icons/circleGray.png")));
-
-            ui->btnStopServer->setEnabled(false);
-            ui->btnStartServer->setEnabled(false);
-        }
-    }
-}
-
-void ServerLMSWidget::updateStateOnlyVersion()
-{
-    ui->lblVersionText->setText(versionStr);
+    flTryConnectionToDB = true;
+    flNeedReconnectDB = false;
+    emit signal_TryConnectionToDB();
+    return;
 }
diff --git a/LibServer/serverlmswidget.h b/LibServer/serverlmswidget.h
index 542506d..9f12040 100644
--- a/LibServer/serverlmswidget.h
+++ b/LibServer/serverlmswidget.h
@@ -24,13 +24,12 @@
 
 #include <Data/typesDataServerClient.h>
 #include <Data/Client.h>
+
 #include "multithreadserver.h"
 #include "providerdblms.h"
 #include "docsupdater.h"
-
 #include "waitanimationwidget.h"
 #include "specialmessagebox.h"
-
 #include "cficontroller.h"
 
 
@@ -51,25 +50,24 @@ class ChatSystem;
 class DocsUpdater;
 class CfiController;
 
+
 class SERVERLMS_EXPORT ServerLMSWidget : public QWidget
 {
     Q_OBJECT
 
-public:
-    explicit ServerLMSWidget(QWidget *parent = nullptr);
-    ~ServerLMSWidget();
-
-    void start();
-
 public:
     static const QString languageENG;
     static const QString languageRUS;
 
-protected:
-    // Метод получения событий
-    // В нём будет производиться проверка события смены перевода приложения
-    void changeEvent(QEvent * event) override;
+public:
+    explicit ServerLMSWidget(QWidget *parent = nullptr);
+    ~ServerLMSWidget();
 
+public:
+    void start();
+
+protected:
+    void changeEvent(QEvent * event) override;
     void resizeEvent(QResizeEvent *event) override;
 
 signals:
@@ -95,19 +93,30 @@ signals:
 
     void signal_InitializeFinished();
 
+    void signal_TryConnectionToDB();
+    void signal_TryDisConnectionFromDB();
+
+    void signal_StartServer();
+    void signal_StopServer();
+
 public slots:
     void slot_LanguageChanged(QString language);
-    void slot_UpdateListClients();
+    void slot_UpdateListClients(QStringList listFullName);
     void slot_BlockAutorizationIndicate(bool block, QString blocker, QString types);
     void slot_AddMessageToLog(QString message);
 
     void slot_ErrorPostgreSQL(QString text);
+    void slot_StateConnectionToDB(bool dbIsConnected, DataBaseSettings dbSettings);
+    void slot_StateServer(EStateServer stateServer, EStateBlockAutorization stateBlockAutorization);
 
     void slot_UpdateDocs();
 
-    void slot_startInitialization_step1();
+    void slot_UpdateControllerInitializeFinished();
 
-    void slot_setVersion(QString versionStr);
+    void slot_StateVersionMaterials(QString stateVersionMaterials);
+
+    void slot_ResultTryConnectDb(bool result);
+    void slot_ResultTryDisConnectDb(bool result);
 
 public:
     QString getLanguage()
@@ -139,11 +148,6 @@ public:
         return processingSystem;
     }
 
-    QMutex *getMutex() const
-    {
-        return mutex;
-    }
-
     void removeClient(int socketId);
 
 private slots:
@@ -151,18 +155,20 @@ private slots:
     void on_btnStopServer_clicked();
     void on_btnSettings_clicked();    
 
-private:
-    void setLanguageInterfase();
+private:    
     void updateMyStyleSheet();
     QString loadStyleSheet();
+    void initLanguageInterfase();
 
-    void startInitialization_step0();
-
-    void tryConnectionToDB();
-
+private:
     void updateStateOnlyServer();
     void updateStateOnlyDB();
-    void updateStateOnlyVersion();
+    void updateStateOnlyVersionMaterials();
+
+private:
+    void startInitialization_step0();
+    void startInitialization_step1();
+    void tryConnectionToDB();
 
 private:
     Ui::ServerLMSWidget *ui;
@@ -172,31 +178,36 @@ private:
 
     QThread *updateThread;
     QThread *loggerThread;
+    QThread *serverThread;
 
-    QMutex *mutex;
+    MultiThreadServer *server;                  //serverThread
+    DataParser *dataParser;                     //serverThread
+    ProcessingSystem *processingSystem;         //serverThread
+    CommonClientHandler *commonClientHandler;   //serverThread
+    ChatSystem *chatSystem;                     //serverThread
+    ProviderDBLMS* providerDBLMS;               //serverThread
 
-    MultiThreadServer *server;
-
-    DataParser *dataParser;
-    ProcessingSystem *processingSystem;
     UpdateController *updateController; //updateThread
-    AssetsManager *assetsManager;   //updateThread
-    CommonClientHandler *commonClientHandler;
-    ChatSystem *chatSystem;
+    AssetsManager *assetsManager;       //updateThread
+    DocsUpdater* docsUpdater;           //updateThread
+    CfiController* cfiController;       //updateThread
 
-    DocsUpdater* docsUpdater;   //updateThread
-    CfiController* cfiController;   //updateThread
-
-    ProviderDBLMS* providerDBLMS;    
-
-    bool first = true; // для тестов Unity
+    bool first; // для тестов Unity
 
     QTranslator qtLanguageTranslator;
     QString language;
+
     int errorCode;
-    QString versionStr;
+
+    QString stateVersionMaterials;
+    bool dbIsConnected;
+    DataBaseSettings dbSettings;
+    EStateServer stateServer;
+    EStateBlockAutorization stateBlockAutorization;
 
     bool flStartInitialization;
+    bool flTryConnectionToDB;
+    bool flNeedReconnectDB;
 };
 
 #endif // SERVERLMSWIDGET_H