Task Manager will not start or open

After removing the "Windows Protection Suite" spyware from a computer system, you may find that the Task Manager will not open. Searching the Internet, you may come across many solutions adding the following key to the registry:

"[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]"
DisableTaskMgr"=dword:00000000

This is the solution if you get the "Task Manager has been disabled by your administrator" error message, from spyware. Google the aforementioned error to get links to reg edit files.However, if you still have difficulty opening Task Manager after you apply the above fix, I came across a solution as follows:

Expand the following subkey:
"[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options]"

If 'taskmgr.exe' is listed, DELETE it!

Now the Task Manager should open by Ctrl-Shift-Esc, or right-clicking the taskbar and select "Task Manager", etc.

Hope this helps. Thanks.