Task Manager

in CCNA & CCENT
When i press Alt, ctrl n del keys,of my pc it displays "Task Manager is disabled by your Administrator".......plz tell me how to enable it.
It might not be a relevent Q for this forum but i thing I can get my answer thats why i put it here.....
It might not be a relevent Q for this forum but i thing I can get my answer thats why i put it here.....
Distractions all along the way.....perhaps will end up breaking everything
Comments
Google comes up with the solution anyway if you search for it.