diff --git a/LibInstructorsAndTrainees/instructors/viewerinstructors.cpp b/LibInstructorsAndTrainees/instructors/viewerinstructors.cpp
index 9491cb1..03bb508 100644
--- a/LibInstructorsAndTrainees/instructors/viewerinstructors.cpp
+++ b/LibInstructorsAndTrainees/instructors/viewerinstructors.cpp
@@ -6,6 +6,7 @@
 ViewerInstructors::ViewerInstructors(ConnectorToServer* connectorToServer, QWidget *parent) :
     InstructorsView(connectorToServer, CommonView::TypeView::onlyView, parent),
     dlgRedactor(nullptr),
+    flTryEditorInstructors(false),
     ui(new Ui::ViewerInstructors)
 {
     ui->setupUi(this);
@@ -20,6 +21,8 @@ ViewerInstructors::ViewerInstructors(ConnectorToServer* connectorToServer, QWidg
     setNotLoggedInVisible(true);
 
     ui->btnEditorInstructors->setVisible(false);
+
+    connect(connectorToServer, &ConnectorToServer::sigTryBlockResult, this, &ViewerInstructors::slot_checkTryBlockResult);
 }
 
 ViewerInstructors::~ViewerInstructors()
@@ -48,6 +51,8 @@ void ViewerInstructors::deactivate()
         dlgRedactor = nullptr;
     }
 
+    flTryEditorInstructors = false;
+
     CommonView::deactivate();
     updateButtons();
 }
@@ -75,23 +80,31 @@ void ViewerInstructors::slot_receiveMessage(ClientMessage clientMessage)
     slot_NeedUpdateUI(true, false);
 }
 
+void ViewerInstructors::slot_checkTryBlockResult(bool result, QString type)
+{
+    if(flTryEditorInstructors)
+    {
+        if(type == "EditorInstructors")
+        {
+            if(result)
+            {//Одобрено
+                dialog_EditorInstructors();
+            }
+            else
+            {//Отказ
+                SpecMsgBox::WarningClose(this, tr("The server rejected your request to access instructors control.\nAnother instructor is managing instructors.\nPlease try again later."));
+            }
+
+            flTryEditorInstructors = false;
+        }
+    }
+}
+
 void ViewerInstructors::on_btnEditorInstructors_clicked()
 {
+    flTryEditorInstructors = true;
+
     connectorToServer->sendQueryBlockAuth(true, "EditorInstructors");
-
-    dlgRedactor = new DialogRedactorInstructors(connectorToServer, adminMode, this);
-    dlgRedactor->exec();
-
-    if(dlgRedactor)
-    {
-        delete dlgRedactor;
-        dlgRedactor = nullptr;
-    }
-
-    if(authComplited)
-        loadInstructorsFromDB();
-
-    connectorToServer->sendQueryBlockAuth(false, "EditorInstructors");
 }
 
 void ViewerInstructors::on_treeWidgetCurrentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
@@ -143,3 +156,20 @@ void ViewerInstructors::updateButtons()
         ui->btnEditorInstructors->setEnabled(false);
     }
 }
+
+void ViewerInstructors::dialog_EditorInstructors()
+{
+    dlgRedactor = new DialogRedactorInstructors(connectorToServer, adminMode, this);
+    dlgRedactor->exec();
+
+    if(dlgRedactor)
+    {
+        delete dlgRedactor;
+        dlgRedactor = nullptr;
+    }
+
+    if(authComplited)
+        loadInstructorsFromDB();
+
+    connectorToServer->sendQueryBlockAuth(false, "EditorInstructors");
+}
diff --git a/LibInstructorsAndTrainees/instructors/viewerinstructors.h b/LibInstructorsAndTrainees/instructors/viewerinstructors.h
index cc65ca1..fc8239b 100644
--- a/LibInstructorsAndTrainees/instructors/viewerinstructors.h
+++ b/LibInstructorsAndTrainees/instructors/viewerinstructors.h
@@ -29,6 +29,8 @@ protected:
 public slots:
     void slot_receiveMessage(ClientMessage clientMessage);
 
+    void slot_checkTryBlockResult(bool result, QString type);
+
 public Q_SLOTS:
     void on_btnEditorInstructors_clicked();
 
@@ -41,9 +43,13 @@ Q_SIGNALS:
 private:
     void updateButtons() override;
 
+    void dialog_EditorInstructors();
+
 private:
     DialogRedactorInstructors* dlgRedactor;
 
+    bool flTryEditorInstructors;
+
 private:
     Ui::ViewerInstructors *ui;
 };
diff --git a/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp b/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
index f472fff..f004a84 100644
--- a/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
+++ b/LibInstructorsAndTrainees/instructorsandtraineeswidget.cpp
@@ -703,8 +703,6 @@ void InstructorsAndTraineesWidget::on_btnSettings_clicked()
     connect(dlgSettings, &DialogSettings::signal_LanguageChanged, this, &InstructorsAndTraineesWidget::slot_LanguageChanged);
     connect(dlgSettings, &DialogSettings::signal_UpdateStyleSheet, this, &InstructorsAndTraineesWidget::slot_UpdateStyleSheet);
 
-    connect(connectorToServer, &ConnectorToServer::sigTryBlockResult, dlgSettings, &DialogSettings::slot_checkTryBlockResult);
-
     switch( dlgSettings->exec() )
     {
     case QDialog::Accepted:
diff --git a/LibInstructorsAndTrainees/settings/dialogsettings.cpp b/LibInstructorsAndTrainees/settings/dialogsettings.cpp
index 3600e3f..1ca7567 100644
--- a/LibInstructorsAndTrainees/settings/dialogsettings.cpp
+++ b/LibInstructorsAndTrainees/settings/dialogsettings.cpp
@@ -70,6 +70,8 @@ DialogSettings::DialogSettings(ConnectorToServer* connectorToServer, bool instru
 
     ui->btnSave->setEnabled(false);
     flSettingsServerChanged = false;
+
+    connect(connectorToServer, &ConnectorToServer::sigTryBlockResult, this, &DialogSettings::slot_checkTryBlockResult);
 }
 
 DialogSettings::~DialogSettings()
@@ -219,9 +221,6 @@ void DialogSettings::on_btnSetVersion_clicked()
             flTryVersionControl = true;
 
             connectorToServer->sendQueryBlockAuth(true, "VersionControl");
-
-            //TODO пока сразу
-            //slot_VersionControl();
         }
 }
 
@@ -254,7 +253,7 @@ void DialogSettings::on_DialogSettings_accepted()
     emit signal_LanguageChanged(language);
 }
 
-void DialogSettings::slot_VersionControl()
+void DialogSettings::dialog_VersionControl()
 {
     dlgVersionControl = new DialogVersionControl(connectorToServer, this);
     dlgVersionControl->initialize(connectorToServer->getLoginName());
@@ -277,7 +276,7 @@ void DialogSettings::slot_checkTryBlockResult(bool result, QString type)
         {
             if(result)
             {//Одобрено
-                slot_VersionControl();
+                dialog_VersionControl();
             }
             else
             {//Отказ
diff --git a/LibInstructorsAndTrainees/settings/dialogsettings.h b/LibInstructorsAndTrainees/settings/dialogsettings.h
index 3577d26..2956dc6 100644
--- a/LibInstructorsAndTrainees/settings/dialogsettings.h
+++ b/LibInstructorsAndTrainees/settings/dialogsettings.h
@@ -47,12 +47,11 @@ private slots:
     void on_DialogSettings_accepted();
 
 public slots:
-    void slot_VersionControl();
-
     void slot_checkTryBlockResult(bool result, QString type);
 
 private:    
     bool saveSettings();
+    void dialog_VersionControl();
 
 private:
     Ui::DialogSettings *ui;
diff --git a/LibInstructorsAndTrainees/trainees/viewertrainees.cpp b/LibInstructorsAndTrainees/trainees/viewertrainees.cpp
index bb88d01..5d4d386 100644
--- a/LibInstructorsAndTrainees/trainees/viewertrainees.cpp
+++ b/LibInstructorsAndTrainees/trainees/viewertrainees.cpp
@@ -11,6 +11,7 @@ ViewerTrainees::ViewerTrainees(ConnectorToServer* connectorToServer, MessangerCo
     messangerController(messangerController),
     dlgRedactor(nullptr),
     dlgCardTrainee(nullptr),
+    flTryEditorTrainees(false),
     ui(new Ui::ViewerTrainees)
 {
     ui->setupUi(this);    
@@ -32,6 +33,8 @@ ViewerTrainees::ViewerTrainees(ConnectorToServer* connectorToServer, MessangerCo
     setNotLoggedInVisible(true);
 
     ui->btnEditorTrainees->setVisible(false);
+
+    connect(connectorToServer, &ConnectorToServer::sigTryBlockResult, this, &ViewerTrainees::slot_checkTryBlockResult);
 }
 
 ViewerTrainees::~ViewerTrainees()
@@ -79,6 +82,8 @@ void ViewerTrainees::deactivate()
     if(dlgCardTrainee)
         dlgCardTrainee->close();
 
+    flTryEditorTrainees = false;
+
     CommonView::deactivate();
 
     ammTasksWidgetCommon->deactivate();
@@ -109,23 +114,31 @@ void ViewerTrainees::slot_receiveMessage(ClientMessage clientMessage)
     slot_NeedUpdateUI(false, true);
 }
 
+void ViewerTrainees::slot_checkTryBlockResult(bool result, QString type)
+{
+    if(flTryEditorTrainees)
+    {
+        if(type == "EditorTrainees")
+        {
+            if(result)
+            {//Одобрено
+                dialog_EditorTrainees();
+            }
+            else
+            {//Отказ
+                SpecMsgBox::WarningClose(this, tr("The server rejected your request to access trainees control.\nAnother instructor is managing trainees.\nPlease try again later."));
+            }
+
+            flTryEditorTrainees = false;
+        }
+    }
+}
+
 void ViewerTrainees::on_btnEditorTrainees_clicked()
 {
-    connectorToServer->sendQueryBlockAuth(true, "EditorTrainees");
+    flTryEditorTrainees = true;
 
-    dlgRedactor = new DialogRedactorTrainees(connectorToServer, adminMode, this);
-    dlgRedactor->exec();
-
-    if(dlgRedactor)
-    {
-        delete dlgRedactor;
-        dlgRedactor = nullptr;
-    }
-
-    if(authComplited)
-        loadTraineesFromDB();
-
-    connectorToServer->sendQueryBlockAuth(false, "EditorTrainees");
+    connectorToServer->sendQueryBlockAuth(true, "EditorTrainees");    
 }
 
 void ViewerTrainees::on_btnPersonalCard_clicked()
@@ -236,3 +249,20 @@ void ViewerTrainees::updateButtons()
         ui->btnEditorTrainees->setEnabled(false);
     }
 }
+
+void ViewerTrainees::dialog_EditorTrainees()
+{
+    dlgRedactor = new DialogRedactorTrainees(connectorToServer, adminMode, this);
+    dlgRedactor->exec();
+
+    if(dlgRedactor)
+    {
+        delete dlgRedactor;
+        dlgRedactor = nullptr;
+    }
+
+    if(authComplited)
+        loadTraineesFromDB();
+
+    connectorToServer->sendQueryBlockAuth(false, "EditorTrainees");
+}
diff --git a/LibInstructorsAndTrainees/trainees/viewertrainees.h b/LibInstructorsAndTrainees/trainees/viewertrainees.h
index 742060f..63a5bd9 100644
--- a/LibInstructorsAndTrainees/trainees/viewertrainees.h
+++ b/LibInstructorsAndTrainees/trainees/viewertrainees.h
@@ -36,6 +36,8 @@ protected:
 public slots:
     void slot_receiveMessage(ClientMessage clientMessage);
 
+    void slot_checkTryBlockResult(bool result, QString type);
+
 public Q_SLOTS:
     void on_btnEditorTrainees_clicked();
     void on_btnPersonalCard_clicked();
@@ -50,6 +52,8 @@ Q_SIGNALS:
 private:
     void updateButtons() override;
 
+    void dialog_EditorTrainees();
+
 private:
     AMMtasksWidget* ammTasksWidgetCommon;
     FIMtasksWidget* fimTasksWidgetCommon;
@@ -59,6 +63,8 @@ private:
     DialogRedactorTrainees* dlgRedactor;
     DialogCardTrainee* dlgCardTrainee;
 
+    bool flTryEditorTrainees;
+
 private:
     Ui::ViewerTrainees *ui;
 };