After a bit of research his problem was solved, and now I’m sharing the solution with everybody.
In many cases the problem is related to spyware, so you should also scan your machine.
The change should take place immediately.
Why is Task Manager Disabled?
Some time ago I received an email from a reader curious why their Task Manager option was grayed out on the taskbar right-click menu. After a bit of research his problem was solved, and now I'm sharing the solution with everybody.
