diff --git a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
index 2a55d2b..f64fade 100644
--- a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
+++ b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
@@ -11,10 +11,17 @@ AMMtasksWidget::AMMtasksWidget(ConnectorToServer* connectorToServer, QWidget *pa
     QWidget(parent),
     ui(new Ui::AMMtasksWidget),
     connectorToServer(connectorToServer),
-    loginTraineeSelected("")
+    treeWidget(nullptr),
+    loginTraineeSelected(""),
+    threadPreparation(nullptr),
+    threadAnimation(nullptr),
+    taskTreePreparation(nullptr),
+    waitAnimationWidget(nullptr)
 {
     ui->setupUi(this);
 
+    qDebug() << "AMMtasksWidget init thread ID " << QThread::currentThreadId();
+
     treeWidget = new QTreeWidget();
     ui->horizontalLayout_1->addWidget(treeWidget);
 
@@ -22,9 +29,7 @@ AMMtasksWidget::AMMtasksWidget(ConnectorToServer* connectorToServer, QWidget *pa
 
     preparationTreeWidget();
 
-    ui->btnAssignTaskToTrainee->setEnabled(false);
-
-    qDebug() << "AMMtasksWidget init thread ID " << QThread::currentThreadId();
+    ui->btnAssignTaskToTrainee->setEnabled(false);    
 
     threadPreparation = new QThread();
     taskTreePreparation = new TaskTreePreparation();
@@ -34,16 +39,17 @@ AMMtasksWidget::AMMtasksWidget(ConnectorToServer* connectorToServer, QWidget *pa
     connect(this, &AMMtasksWidget::signal_prepareListItems, taskTreePreparation, &TaskTreePreparation::slot_prepareListItems);
     connect(taskTreePreparation, &TaskTreePreparation::signal_listItemsReady, this, &AMMtasksWidget::slot_listItemsReady);
 
-    waitAnimationWidget = new WaitAnimationWidget;
+    threadAnimation = new QThread();
+    waitAnimationWidget = new WaitAnimationWidget;    
     QMovie *movie = new QMovie(":/resources/icons/762.gif");
     waitAnimationWidget->setParent(this);
     waitAnimationWidget->initialize(movie,this);
-    waitAnimationWidget->moveToThread(threadPreparation);
+    waitAnimationWidget->moveToThread(threadAnimation);
+    threadAnimation->start();
 }
 
 AMMtasksWidget::~AMMtasksWidget()
 {
-    deleteAllModuls();
     delete ui;
 }
 
@@ -109,10 +115,8 @@ void AMMtasksWidget::loadTasksAMM()
     waitAnimationWidget->showWithPlay();
 
     QByteArray array = connectorToServer->getListTaskAmmArray();
-    loadAMMtasksFromXML(array);
 
-    //fillTree();
-    signal_prepareListItems(listAllModules);    
+    signal_prepareListItems(array, &listAllModules);
 }
 
 void AMMtasksWidget::slot_listItemsReady(QList<QTreeWidgetItem *> listItems)
@@ -121,141 +125,11 @@ void AMMtasksWidget::slot_listItemsReady(QList<QTreeWidgetItem *> listItems)
     treeWidget->clear();
 
     for(QTreeWidgetItem * item : listItems)
-    {
         treeWidget->addTopLevelItem(item);
-    }
 
     waitAnimationWidget->hideWithStop();
 }
 
-void AMMtasksWidget::domElementParser(QDomElement element, Module* moduleParent)
-{
-    QString name;
-
-    QDomElement childElement = element.firstChildElement();
-    if(childElement.isNull())
-        return;
-
-    Module* module = nullptr;
-
-    do
-    {
-        name = childElement.nodeName();
-
-       QDomNamedNodeMap nodeMap = childElement.attributes();
-
-       if(name == "pm")
-       {
-           module = new PM();
-           PM* PMmodul = static_cast<PM*>(module);
-
-           PMmodul->initialize(nodeMap.namedItem("modelIdentCode").nodeValue(),
-                               nodeMap.namedItem("pmIssuer").nodeValue(),
-                               nodeMap.namedItem("pmNumber").nodeValue(),
-                               nodeMap.namedItem("pmVolume").nodeValue());
-
-           if(moduleParent)
-           {
-               PMmodul->setParentModule(moduleParent);
-
-               PM* PMmodulParent = static_cast<PM*>(moduleParent);
-               PMmodulParent->addChildModule(module);
-           }
-       }
-       else if(name == "dm")
-       {
-           module = new DM();
-           DM* DMmodul = static_cast<DM*>(module);
-
-           DMmodul->initialize(nodeMap.namedItem("modelIdentCode").nodeValue(),
-                               nodeMap.namedItem("systemDiffCode").nodeValue(),
-                               nodeMap.namedItem("systemCode").nodeValue(),
-                               nodeMap.namedItem("subSystemCode").nodeValue(),
-                               nodeMap.namedItem("subSubSystemCode").nodeValue(),
-                               nodeMap.namedItem("assyCode").nodeValue(),
-                               nodeMap.namedItem("disassyCode").nodeValue(),
-                               nodeMap.namedItem("disassyCodeVariant").nodeValue(),
-                               nodeMap.namedItem("infoCode").nodeValue(),
-                               nodeMap.namedItem("infoCodeVariant").nodeValue(),
-                               nodeMap.namedItem("itemLocationCode").nodeValue());
-
-           if(moduleParent)
-           {
-               DMmodul->setParentModule(moduleParent);
-
-               PM* PMmodulParent = static_cast<PM*>(moduleParent);
-               PMmodulParent->addChildModule(module);
-           }
-       }
-       else if(name == "rus" || name == "eng")
-       {
-           if(moduleParent)
-           {
-               if(moduleParent->getType() == ModuleType::TYPE_PM)
-               {//PM
-                   PM* PMmodulParent = static_cast<PM*>(moduleParent);
-
-                   if(name == "rus")
-                        PMmodulParent->setLangStructRus(nodeMap.namedItem("title").nodeValue());
-                   else
-                        PMmodulParent->setLangStructEng(nodeMap.namedItem("title").nodeValue());
-               }
-               else
-               {//DM
-                   DM* DMmodulParent = static_cast<DM*>(moduleParent);
-
-                   if(name == "rus")
-                        DMmodulParent->setLangStructRus(nodeMap.namedItem("techName").nodeValue(),
-                                                        nodeMap.namedItem("infoName").nodeValue(),
-                                                        nodeMap.namedItem("pdf").nodeValue(),
-                                                        nodeMap.namedItem("bookmark").nodeValue(),
-                                                        nodeMap.namedItem("xml").nodeValue());
-                   else
-                       DMmodulParent->setLangStructEng(nodeMap.namedItem("techName").nodeValue(),
-                                                       nodeMap.namedItem("infoName").nodeValue(),
-                                                       nodeMap.namedItem("pdf").nodeValue(),
-                                                       nodeMap.namedItem("bookmark").nodeValue(),
-                                                       nodeMap.namedItem("xml").nodeValue());
-               }
-           }
-
-       }
-
-        domElementParser(childElement, module);
-
-        if(moduleParent == nullptr)
-            listAllModules.append(module);
-
-    }while (! (childElement = childElement.nextSiblingElement()).isNull());
-}
-
-void AMMtasksWidget::loadAMMtasksFromXML(QByteArray array)
-{
-    deleteAllModuls();
-
-    QDomDocument docTasksDOM;
-
-    docTasksDOM.setContent(array);
-
-    QDomElement manifestElement = docTasksDOM.firstChildElement("manifest");
-    if(manifestElement.isNull())
-        return;
-
-    domElementParser(manifestElement, nullptr);
-}
-
-void AMMtasksWidget::deleteAllModuls()
-{
-    for(Module* module: listAllModules)
-    {
-        if(module->getType() == ModuleType::TYPE_PM)
-            delete static_cast<PM*>(module);
-        else
-            delete static_cast<DM*>(module);
-    }
-    listAllModules.clear();
-}
-
 Module *AMMtasksWidget::searchModuleByID(int id)
 {
     Module* ptrModule = nullptr;
@@ -288,63 +162,6 @@ void AMMtasksWidget::reSetHeadTreeWidget()
     treeWidget->setHeaderLabels(listHeaders);
 }
 
-void AMMtasksWidget::fillTree()
-{
-    //Обновление дерева
-    treeWidget->clear();
-
-    for(Module* module : listAllModules)
-    {
-        QTreeWidgetItem*  item = addModuleToTreeWidget(module);
-        treeWidget->addTopLevelItem(item);
-    }
-}
-
-QTreeWidgetItem* AMMtasksWidget::addModuleToTreeWidget(Module *module, QTreeWidgetItem* parentItem)
-{
-    QTreeWidgetItem* itemModule = nullptr;
-
-    QString text;
-    QString ID = QString::number(module->getID());
-
-    if(parentItem)
-    {
-        itemModule = new QTreeWidgetItem();
-        parentItem->addChild(itemModule);
-    }
-    else
-    {
-        //itemModule = new QTreeWidgetItem(treeWidget);
-        itemModule = new QTreeWidgetItem();
-    }
-
-    if(module->getType() == ModuleType::TYPE_PM)
-    {
-        PM* PMmodul = static_cast<PM*>(module);
-        text = PMmodul->getLangStructRus().title;
-
-        for(Module* module : PMmodul->getListChildModules())
-        {
-            addModuleToTreeWidget(module, itemModule);
-        }
-    }
-    else
-    {
-        DM* DMmodul = static_cast<DM*>(module);
-        text = DMmodul->getLangStructRus().techName;
-
-        //itemModule->setFlags(itemModule->flags() | Qt::ItemIsUserCheckable);
-        //itemModule->setCheckState(0, Qt::Checked);
-        itemModule->setIcon(0, QIcon(":/resources/icons/procedure.png"));
-    }
-
-    itemModule->setText(ColumnsTree::clmn_PMorDM, text);
-    itemModule->setText(ColumnsTree::clmn_ID, ID);
-
-    return itemModule;
-}
-
-
 void AMMtasksWidget::on_btnUpdateTasks_clicked()
 {
     connectorToServer->sendQueryTasksXML("amm");
diff --git a/InstructorsAndTrainees/tasks/ammtaskswidget.h b/InstructorsAndTrainees/tasks/ammtaskswidget.h
index 72b9175..73f8fa1 100644
--- a/InstructorsAndTrainees/tasks/ammtaskswidget.h
+++ b/InstructorsAndTrainees/tasks/ammtaskswidget.h
@@ -38,7 +38,6 @@ public:
 private Q_SLOTS:
     void on_treeWidget_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
     void on_btnUpdateTasks_clicked();
-
     void on_btnAssignTaskToTrainee_clicked();
 
 public Q_SLOTS:
@@ -48,21 +47,13 @@ public Q_SLOTS:
     void slot_traineeSelected(QString login);
 
 private:
-    void loadAMMtasksFromXML(QByteArray array);
-    void domElementParser(QDomElement element, Module* moduleParent);
-    void deleteAllModuls();
     Module* searchModuleByID(int id);
-
     void preparationTreeWidget();
     void reSetHeadTreeWidget();
-
-    void fillTree();
-    QTreeWidgetItem* addModuleToTreeWidget(Module* module, QTreeWidgetItem* parentItem = nullptr);
-
     void loadTasksAMM();
 
 Q_SIGNALS:
-    void signal_prepareListItems(QList<Module*> listAllModules);
+    void signal_prepareListItems(QByteArray array, QList<Module*>* listAllModules);
 public Q_SLOTS:
     void slot_listItemsReady(QList<QTreeWidgetItem*> listItems);
 
@@ -76,6 +67,7 @@ private:
     QString loginTraineeSelected;
 
     QThread* threadPreparation;
+    QThread* threadAnimation;
     TaskTreePreparation* taskTreePreparation;
     WaitAnimationWidget *waitAnimationWidget;
 };
diff --git a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
index fe42925..e749139 100644
--- a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
+++ b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
@@ -2,11 +2,18 @@
 #include <QDebug>
 #include "tasktreepreparation.h"
 
-TaskTreePreparation::TaskTreePreparation(QObject *parent) : QObject(parent)
+TaskTreePreparation::TaskTreePreparation(QObject *parent) :
+    QObject(parent),
+    listAllModules(nullptr)
 {
     qDebug() << "TaskTreePreparation init thread ID " << QThread::currentThreadId();
 }
 
+TaskTreePreparation::~TaskTreePreparation()
+{
+    deleteAllModuls();
+}
+
 QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTreeWidgetItem *parentItem)
 {
     QTreeWidgetItem* itemModule = nullptr;
@@ -14,16 +21,10 @@ QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTre
     QString text;
     QString ID = QString::number(module->getID());
 
+    itemModule = new QTreeWidgetItem();
+
     if(parentItem)
-    {
-        itemModule = new QTreeWidgetItem();
         parentItem->addChild(itemModule);
-    }
-    else
-    {
-        //itemModule = new QTreeWidgetItem(treeWidget);
-        itemModule = new QTreeWidgetItem();
-    }
 
     if(module->getType() == ModuleType::TYPE_PM)
     {
@@ -51,13 +52,148 @@ QTreeWidgetItem *TaskTreePreparation::addModuleToTreeWidget(Module *module, QTre
     return itemModule;
 }
 
-void TaskTreePreparation::slot_prepareListItems(QList<Module *> listAllModules)
+void TaskTreePreparation::loadAMMtasksFromXML(QByteArray array)
+{
+    deleteAllModuls();
+
+    QDomDocument docTasksDOM;
+
+    docTasksDOM.setContent(array);
+
+    QDomElement manifestElement = docTasksDOM.firstChildElement("manifest");
+    if(manifestElement.isNull())
+        return;
+
+    domElementParser(manifestElement, nullptr);
+}
+
+void TaskTreePreparation::deleteAllModuls()
+{
+    if(listAllModules == nullptr)
+        return;
+
+    for(Module* module: *listAllModules)
+    {
+        if(module->getType() == ModuleType::TYPE_PM)
+            delete static_cast<PM*>(module);
+        else
+            delete static_cast<DM*>(module);
+    }
+    listAllModules->clear();
+}
+
+void TaskTreePreparation::domElementParser(QDomElement element, Module* moduleParent)
+{
+    QString name;
+
+    QDomElement childElement = element.firstChildElement();
+    if(childElement.isNull())
+        return;
+
+    Module* module = nullptr;
+
+    do
+    {
+        name = childElement.nodeName();
+
+       QDomNamedNodeMap nodeMap = childElement.attributes();
+
+       if(name == "pm")
+       {
+           module = new PM();
+           PM* PMmodul = static_cast<PM*>(module);
+
+           PMmodul->initialize(nodeMap.namedItem("modelIdentCode").nodeValue(),
+                               nodeMap.namedItem("pmIssuer").nodeValue(),
+                               nodeMap.namedItem("pmNumber").nodeValue(),
+                               nodeMap.namedItem("pmVolume").nodeValue());
+
+           if(moduleParent)
+           {
+               PMmodul->setParentModule(moduleParent);
+
+               PM* PMmodulParent = static_cast<PM*>(moduleParent);
+               PMmodulParent->addChildModule(module);
+           }
+       }
+       else if(name == "dm")
+       {
+           module = new DM();
+           DM* DMmodul = static_cast<DM*>(module);
+
+           DMmodul->initialize(nodeMap.namedItem("modelIdentCode").nodeValue(),
+                               nodeMap.namedItem("systemDiffCode").nodeValue(),
+                               nodeMap.namedItem("systemCode").nodeValue(),
+                               nodeMap.namedItem("subSystemCode").nodeValue(),
+                               nodeMap.namedItem("subSubSystemCode").nodeValue(),
+                               nodeMap.namedItem("assyCode").nodeValue(),
+                               nodeMap.namedItem("disassyCode").nodeValue(),
+                               nodeMap.namedItem("disassyCodeVariant").nodeValue(),
+                               nodeMap.namedItem("infoCode").nodeValue(),
+                               nodeMap.namedItem("infoCodeVariant").nodeValue(),
+                               nodeMap.namedItem("itemLocationCode").nodeValue());
+
+           if(moduleParent)
+           {
+               DMmodul->setParentModule(moduleParent);
+
+               PM* PMmodulParent = static_cast<PM*>(moduleParent);
+               PMmodulParent->addChildModule(module);
+           }
+       }
+       else if(name == "rus" || name == "eng")
+       {
+           if(moduleParent)
+           {
+               if(moduleParent->getType() == ModuleType::TYPE_PM)
+               {//PM
+                   PM* PMmodulParent = static_cast<PM*>(moduleParent);
+
+                   if(name == "rus")
+                        PMmodulParent->setLangStructRus(nodeMap.namedItem("title").nodeValue());
+                   else
+                        PMmodulParent->setLangStructEng(nodeMap.namedItem("title").nodeValue());
+               }
+               else
+               {//DM
+                   DM* DMmodulParent = static_cast<DM*>(moduleParent);
+
+                   if(name == "rus")
+                        DMmodulParent->setLangStructRus(nodeMap.namedItem("techName").nodeValue(),
+                                                        nodeMap.namedItem("infoName").nodeValue(),
+                                                        nodeMap.namedItem("pdf").nodeValue(),
+                                                        nodeMap.namedItem("bookmark").nodeValue(),
+                                                        nodeMap.namedItem("xml").nodeValue());
+                   else
+                       DMmodulParent->setLangStructEng(nodeMap.namedItem("techName").nodeValue(),
+                                                       nodeMap.namedItem("infoName").nodeValue(),
+                                                       nodeMap.namedItem("pdf").nodeValue(),
+                                                       nodeMap.namedItem("bookmark").nodeValue(),
+                                                       nodeMap.namedItem("xml").nodeValue());
+               }
+           }
+
+       }
+
+        domElementParser(childElement, module);
+
+        if(moduleParent == nullptr)
+            listAllModules->append(module);
+
+    }while (! (childElement = childElement.nextSiblingElement()).isNull());
+}
+
+void TaskTreePreparation::slot_prepareListItems(QByteArray array, QList<Module*>* listAllModules)
 {
     qDebug() << "TaskTreePreparation::slot_prepareListItems thread ID " << QThread::currentThreadId();
 
+    this->listAllModules = listAllModules;
+
+    loadAMMtasksFromXML(array);
+
     listItems.clear();
 
-    for(Module* module : listAllModules)
+    for(Module* module : *this->listAllModules)
     {
         QTreeWidgetItem*  item = addModuleToTreeWidget(module);
         listItems.append(item);
diff --git a/InstructorsAndTrainees/tasks/tasktreepreparation.h b/InstructorsAndTrainees/tasks/tasktreepreparation.h
index 3c5bdb0..1f9bc31 100644
--- a/InstructorsAndTrainees/tasks/tasktreepreparation.h
+++ b/InstructorsAndTrainees/tasks/tasktreepreparation.h
@@ -3,6 +3,7 @@
 
 #include <QObject>
 #include <QTreeWidgetItem>
+#include <QDomElement>
 #include "module.h"
 
 class TaskTreePreparation : public QObject
@@ -10,18 +11,23 @@ class TaskTreePreparation : public QObject
     Q_OBJECT
 public:
     explicit TaskTreePreparation(QObject *parent = nullptr);
+    ~TaskTreePreparation();
 
-public:
+private:
     QTreeWidgetItem* addModuleToTreeWidget(Module* module, QTreeWidgetItem* parentItem = nullptr);
+    void loadAMMtasksFromXML(QByteArray array);
+    void domElementParser(QDomElement element, Module* moduleParent);
+    void deleteAllModuls();
 
 public Q_SLOTS:
-    void slot_prepareListItems(QList<Module*> listAllModules);
+    void slot_prepareListItems(QByteArray array, QList<Module*>* listAllModules);
 
 Q_SIGNALS:
     void signal_listItemsReady(QList<QTreeWidgetItem*> listItems);
 
 private:
     QList<QTreeWidgetItem*> listItems;
+    QList<Module*>* listAllModules;
 };
 
 #endif // TASKTREEPREPARATION_H