Hi every one as the title said I need help with my PC for some reason it goes into some sort of lock mode it comes up with, This computer is in use and has been locked and can only be unlocked by an administrater and a pass word is needed to unlock but when I click on OK it goes back to what I was doing as if there is no prob at all. Im not a computer friendly person so I hope my description of what is happening is understandable. Can any one help please......

Thanx Daniel,