altctrldel
Users questions: The same operating system, but not by altctrldel open as a direct open the Task Manager, so it is opened WIN a security screen, this is why
Experts answer: Open the Control Panel - User Accounts - Change the way users log on or write-off method - check "Use the Welcome Screen" - Click "Apply Options" button. Right-click the desktop space - Properties - Screen Saver - Power - Advanced - remove the "resume from standby the computer when prompted for a password" in front of the hook, - Click "Apply", click "OK" and then do Set.