Can someone PLEASE help me... My computer just decided not to let me on today - worked just fine yesterday.... User Profile Service service failed the logon. User Profile could not load. What do I do? I cant get on the computer at all. I only have one user profile on my computer. I have tried everything but so far nothing.. Also computer will not boot in Safe Mode by pressing F8 while booting... Can someone please help me? My work and my life is on this computer... I am one step closer to switching to a Mac!!!!! Thank you!!!!