Start>Run>type Regedit >Click Ok or, press the Enter Key.
Now navigate to the following locations:-
HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Control Panel\Desktop now find out SCRNSAVE.EXE entry in the right pane and delete it.
HKLM\Software\Policies\Microsoft\Windows\Control Panel\Desktop now find out SCRNSAVE.EXE entry in the right pane and delete it.
Close the registry editor and restart the machine.
How to back up, edit, and restore the registry in Windows XP and Windows Server 2003
Article ID: 555506 - Last Review: Feb 14, 2017 - Revision: 1