To run in SafeMode i think you press F8 on bootup.

If you are in really deep s**t go here, www.pcadvisor.co.uk and sign up there, they have computer whiz people there 24/7 who can ALMOST ALWAYS DEFINITELY find an answer to your problem

If you still get stuck, wait a bit for someone here. Its usually quite now with it been the weekend

Im in the house with tinnies of lager