diff --git a/GUIdataBaseLMS/CMakeLists.txt b/GUIdataBaseLMS/CMakeLists.txt
index 76da07e..b37ea64 100644
--- a/GUIdataBaseLMS/CMakeLists.txt
+++ b/GUIdataBaseLMS/CMakeLists.txt
@@ -26,6 +26,7 @@ target_include_directories(GUIdataBaseLMS PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../
 target_include_directories(GUIdataBaseLMS PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../InstructorsAndTrainees/widgets)
 target_include_directories(GUIdataBaseLMS PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../InstructorsAndTrainees/specialmessagebox)
 target_include_directories(GUIdataBaseLMS PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../InstructorsAndTrainees/settings)
+target_include_directories(GUIdataBaseLMS PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../InstructorsAndTrainees/authorization)
 if(PROJECT_TYPE_DEBUG)
     target_link_directories(GUIdataBaseLMS PUBLIC ${REPO_PATH}/BUILDS/Debug64/InstructorsAndTrainees)
 else()
diff --git a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
index aff4a6e..0465a35 100644
--- a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
+++ b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
@@ -23,6 +23,7 @@ InstructorsAndTraineesWidget::InstructorsAndTraineesWidget(QWidget *parent) :
     messangerController(nullptr),
     dlgTasksCommon(nullptr),
     dlgSettings(nullptr),
+    dlgAuthorization(nullptr),
     adminMode(false),
     loginInstructorLoggedInLocal(QStringLiteral("")),
     nameInstructorLoggedInLocal(QStringLiteral("")),
@@ -108,10 +109,25 @@ InstructorsAndTraineesWidget::~InstructorsAndTraineesWidget()
         deAuthorizationInstructor(loginInstructorLoggedInLocal);
 
     if(dlgTasksCommon)
+    {
         dlgTasksCommon->close();
+        delete dlgTasksCommon;
+        dlgTasksCommon = nullptr;
+    }
 
     if(dlgSettings)
+    {
         dlgSettings->close();
+        delete dlgSettings;
+        dlgSettings = nullptr;
+    }
+
+    if(dlgAuthorization)
+    {
+        dlgAuthorization->close();
+        delete dlgAuthorization;
+        dlgAuthorization = nullptr;
+    }
 
     delete messangerController;
     delete viewerInstructors;
@@ -312,6 +328,13 @@ void InstructorsAndTraineesWidget::slot_ConnectedToServer(bool state)
         if(dlgSettings)
             dlgSettings->deactivate();
 
+        if(dlgAuthorization)
+        {
+            dlgAuthorization->close();
+            delete dlgAuthorization;
+            dlgAuthorization = nullptr;
+        }
+
         messangerController->deleteAllWidgets();
 
         loginInstructorLoggedInLocal = "";
@@ -403,23 +426,24 @@ void InstructorsAndTraineesWidget::slot_ConnectToServer()
 
 bool InstructorsAndTraineesWidget::authorizationInstructorDialog(QWidget* parent)
 {
-    DialogAuthorization dlg(parent);
-    dlg.setWindowTitle(tr("Instructor authorization"));
-    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
-    dlg.setStyleSheet(this->styleSheet());
+    dlgAuthorization = new DialogAuthorization(parent);
+
+    dlgAuthorization->setWindowTitle(tr("Instructor authorization"));
+    dlgAuthorization->setWindowFlags(dlgAuthorization->windowFlags() & ~Qt::WindowContextHelpButtonHint);
+    dlgAuthorization->setStyleSheet(this->styleSheet());
 #ifdef PROJECT_TYPE_DEBUG
-    dlg.setLogin("admin");
-    dlg.setPassword("admin");
+    dlgAuthorization->setLogin("admin");
+    dlgAuthorization->setPassword("admin");
 #endif
 
     do
     {
-        switch( dlg.exec() )
+        switch( dlgAuthorization->exec() )
         {
         case QDialog::Accepted:
         {
-            QString login = dlg.getLogin();
-            QString password = dlg.getPassword();
+            QString login = dlgAuthorization->getLogin();
+            QString password = dlgAuthorization->getPassword();
 
             // Вычисление MD5 хэша
             password = HashTools::hashingMD5string(password);
@@ -440,6 +464,12 @@ bool InstructorsAndTraineesWidget::authorizationInstructorDialog(QWidget* parent
     }
     while(true);
 
+    if(dlgAuthorization)
+    {
+        delete dlgAuthorization;
+        dlgAuthorization = nullptr;
+    }
+
     return false;
 }
 
diff --git a/InstructorsAndTrainees/instructorsandtraineeswidget.h b/InstructorsAndTrainees/instructorsandtraineeswidget.h
index 7f2dc8d..307754b 100644
--- a/InstructorsAndTrainees/instructorsandtraineeswidget.h
+++ b/InstructorsAndTrainees/instructorsandtraineeswidget.h
@@ -12,6 +12,7 @@
 #include "metatypes.h"
 #include "dialogtaskscommon.h"
 #include "dialogsettings.h"
+#include "dialogauthorization.h"
 
 
 namespace Ui {
@@ -103,6 +104,7 @@ private:
 
     DialogTasksCommon* dlgTasksCommon;
     DialogSettings* dlgSettings;
+    DialogAuthorization* dlgAuthorization;
 
     bool adminMode;
     QString loginInstructorLoggedInLocal;