The task manager no longer appears
Sometimes the task manager no longer appears (because of an infection often) and does not display a message "Task Manager has been disabled by your administrator" either with Ctrl + Alt + Delete or through Start Menu> Run> type taskmgr then validate.
Here are safe handling:
-> It is recommended to backup the registry.
-> Open Notepad (Start> All Programs> Accessories> Notepad)
-> Copy and paste the text that lies between the two spaces below:
Windows Registry Editor Version 5.00
[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe]
Use File:
fix.reg:
Double-click the file (Office) / Accept the warning about the merger / Do not be surprised not to see / Validate the message that the merger is completed.
Normally, the task manager can be opened again.