diff --git a/InstructorsAndTrainees/instructors/editorinstructors.cpp b/InstructorsAndTrainees/instructors/editorinstructors.cpp
index 73a37cd..3c2640f 100644
--- a/InstructorsAndTrainees/instructors/editorinstructors.cpp
+++ b/InstructorsAndTrainees/instructors/editorinstructors.cpp
@@ -311,6 +311,7 @@ bool EditorInstructors::verifyInstructor(Instructor instructor)
 bool EditorInstructors::editInstructor(Instructor instructor, Instructor* instructor_edit)
 {
     DialogEditInstructor dlg(this);
+    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     dlg.setInstructor(instructor);
 
diff --git a/InstructorsAndTrainees/instructors/instructorsview.cpp b/InstructorsAndTrainees/instructors/instructorsview.cpp
index 29f4c58..ae3b364 100644
--- a/InstructorsAndTrainees/instructors/instructorsview.cpp
+++ b/InstructorsAndTrainees/instructors/instructorsview.cpp
@@ -16,22 +16,22 @@ void InstructorsView::resizeEvent(QResizeEvent *event)
     treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_ID, 50);
     treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Login, 100);
     treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Password, 100);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Administrator, 120);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Archived, 80);
-    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Logged, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Administrator, 140);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Archived, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Logged, 120);
 
     int widthInstructor;
 
     if(typeView == TypeView::onlyView)
     {//onlyView
-        widthInstructor = width - (230 + 10);
+        widthInstructor = width - (290 + 10);
     }
     else
     {//control
         if(adminMode)
-            widthInstructor = width - (550 + 10);
+            widthInstructor = width - (610 + 10);
         else
-            widthInstructor = width - (420 + 10);
+            widthInstructor = width - (480 + 10);
     }
     if(widthInstructor < 250)
         widthInstructor = 250;
diff --git a/InstructorsAndTrainees/instructors/viewerinstructors.cpp b/InstructorsAndTrainees/instructors/viewerinstructors.cpp
index 3c5face..dec7c6a 100644
--- a/InstructorsAndTrainees/instructors/viewerinstructors.cpp
+++ b/InstructorsAndTrainees/instructors/viewerinstructors.cpp
@@ -63,7 +63,7 @@ void ViewerInstructors::on_btnEditorInstructors_clicked()
     layout->addWidget(&editorInstructors);
     dialog->setWindowTitle(tr("Editor of instructors"));
     dialog->setMinimumSize(1600, 800);
-    dialog->setStyleSheet(this->styleSheet());
+    dialog->setWindowFlags(dialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
     dialog->exec();
 
     loadInstructorsFromDB();
diff --git a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
index d8f7655..71bccac 100644
--- a/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
+++ b/InstructorsAndTrainees/instructorsandtraineeswidget.cpp
@@ -288,6 +288,7 @@ bool InstructorsAndTraineesWidget::authorizationInstructorDialog(QWidget* parent
 {
     DialogAuthorizationInstructor dlg(parent);
     dlg.setWindowTitle(tr("Instructor authorization"));
+    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     do
     {
@@ -424,6 +425,7 @@ void InstructorsAndTraineesWidget::setLanguageInterfase()
 void InstructorsAndTraineesWidget::on_btnSettings_clicked()
 {
     DialogSettings dlg(connectorToServer, (loginInstructorLoggedInLocal != ""), this);
+    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     connect(&dlg, &DialogSettings::signal_LanguageChanged, this, &InstructorsAndTraineesWidget::slot_LanguageChanged);
     connect(&dlg, &DialogSettings::signal_UpdateStyleSheet, this, &InstructorsAndTraineesWidget::slot_UpdateStyleSheet);
diff --git a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
index 1f77489..3d3de61 100644
--- a/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
+++ b/InstructorsAndTrainees/tasks/ammtaskswidget.cpp
@@ -314,7 +314,7 @@ void AMMtasksWidget::on_btnCheck_clicked()
         if(!task.getID())
             return;
 
-        DialogCheckTask dlg(connectorToServer, "amm", this);
+        DialogCheckTask dlg(connectorToServer, "amm", this);        
 
         dlg.setTask(&task);
 
@@ -323,7 +323,8 @@ void AMMtasksWidget::on_btnCheck_clicked()
         layout->addWidget(&dlg);
         dialog->setWindowTitle(tr("Status Task"));
         dialog->setMinimumSize(200, 100);
-        dialog->setStyleSheet(this->styleSheet());
+        dialog->setWindowFlags(dialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
+        //dialog->setStyleSheet(this->styleSheet());
         dialog->exec();
 
         if(dlg.getFlChanged())
diff --git a/InstructorsAndTrainees/tasks/fimtaskswidget.cpp b/InstructorsAndTrainees/tasks/fimtaskswidget.cpp
index c84cf73..6fd3ad8 100644
--- a/InstructorsAndTrainees/tasks/fimtaskswidget.cpp
+++ b/InstructorsAndTrainees/tasks/fimtaskswidget.cpp
@@ -373,7 +373,8 @@ void FIMtasksWidget::on_btnCheck_clicked()
             layout->addWidget(&dlg);
             dialog->setWindowTitle(tr("Check Task"));
             dialog->setMinimumSize(1600, 800);
-            dialog->setStyleSheet(this->styleSheet());
+            dialog->setWindowFlags(dialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
+            //dialog->setStyleSheet(this->styleSheet());
             dialog->exec();
 
             if(dlg.getFlChanged())
diff --git a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
index c1cc49d..d1bdb36 100644
--- a/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
+++ b/InstructorsAndTrainees/tasks/tasktreepreparation.cpp
@@ -129,6 +129,8 @@ QTreeWidgetItem *TaskAMMFIMTreePreparation::addModuleToTreeWidgetAMM(Module *mod
 
 void TaskAMMFIMTreePreparation::loadAMMtasksFromXML(QByteArray array)
 {
+    qDebug() << "TaskAMMFIMTreePreparation::loadAMMtasksFromXML thread ID " << QThread::currentThreadId();
+
     mtxAccess.lock();
 
     deleteAllModulsAMM();
@@ -152,6 +154,8 @@ void TaskAMMFIMTreePreparation::loadAMMtasksFromXML(QByteArray array)
 
 void TaskAMMFIMTreePreparation::loadFIMtasksFromXML(QByteArray array)
 {
+    qDebug() << "TaskAMMFIMTreePreparation::loadFIMtasksFromXML thread ID " << QThread::currentThreadId();
+
     mtxAccess.lock();
 
     listTasksFIM.clear();
diff --git a/InstructorsAndTrainees/trainees/editortrainees.cpp b/InstructorsAndTrainees/trainees/editortrainees.cpp
index 6078a32..6156371 100644
--- a/InstructorsAndTrainees/trainees/editortrainees.cpp
+++ b/InstructorsAndTrainees/trainees/editortrainees.cpp
@@ -492,6 +492,7 @@ bool EditorTrainees::verifyTrainee(Trainee trainee)
 bool EditorTrainees::editGroup(Group group, Group *group_edit)
 {
     DialogEditGroup dlg(this);
+    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     dlg.setGroup(group);
 
@@ -522,6 +523,7 @@ bool EditorTrainees::editGroup(Group group, Group *group_edit)
 bool EditorTrainees::editTrainee(Trainee trainee, Trainee *trainee_edit)
 {
     DialogEditTrainee dlg(this);
+    dlg.setWindowFlags(dlg.windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
     dlg.setTrainee(trainee);
 
diff --git a/InstructorsAndTrainees/trainees/traineesview.cpp b/InstructorsAndTrainees/trainees/traineesview.cpp
index 6189b44..c1aa284 100644
--- a/InstructorsAndTrainees/trainees/traineesview.cpp
+++ b/InstructorsAndTrainees/trainees/traineesview.cpp
@@ -18,21 +18,21 @@ void TraineesView::resizeEvent(QResizeEvent *event)
     treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Class, 100);
     treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Computer, 100);
     treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_IP_address, 130);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Archived, 80);
-    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Logged, 100);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Archived, 100);
+    treeWidget->setColumnWidth(ColumnsTreeTrainees::clmn_Logged, 120);
 
     int widthTrainee;
 
     if(typeView == TypeView::onlyView)
     {//onlyView
-        widthTrainee = width - (230 + 10);
+        widthTrainee = width - (270 + 10);
     }
     else
     {//control
         if(adminMode)
-            widthTrainee = width - (760 + 10);
+            widthTrainee = width - (800 + 10);
         else
-            widthTrainee = width - (630 + 10);
+            widthTrainee = width - (670 + 10);
     }
     if(widthTrainee < 250)
         widthTrainee = 250;
diff --git a/InstructorsAndTrainees/trainees/viewertrainees.cpp b/InstructorsAndTrainees/trainees/viewertrainees.cpp
index a04a2af..b8183d8 100644
--- a/InstructorsAndTrainees/trainees/viewertrainees.cpp
+++ b/InstructorsAndTrainees/trainees/viewertrainees.cpp
@@ -79,6 +79,7 @@ void ViewerTrainees::on_btnEditorTrainees_clicked()
     layout->addWidget(&editorTraineesGroups);
     dialog->setWindowTitle(tr("Editor of trainees"));
     dialog->setMinimumSize(1600, 800);
+    dialog->setWindowFlags(dialog->windowFlags() & ~Qt::WindowContextHelpButtonHint);
     dialog->exec();
 
     loadTraineesFromDB();