Hi peolple i just can't be the admin in my own computer i have 2 user accounts mine and 1 for my young brother i never see this before but when i tried 2 enter in the task manager 2day this appears on the screen "Task Manager as been disabled By your Admin" i don't know what 2 do.
I don't speak english very well try 2 understand.
More aboutadmin computer
you most likely have a virus.
clean your system with an upto date anti virus then use this