Screwed up Comp

[Jonathan]

I dont kno whats happened but i only realised i had comp problems when i couldnt access my emails through hotmail.com. I have scanned my comp with a number of adware and spyware scanners but i still cannot access my emails. I tried entering the registry editor but when i try to open it (start/run/regedit/open) it doesnt open could anyone please help me.

OS is XP

[Jonathan]

I cant access safe mode either

[Raptor]

Try doing a system restore.

If that doesn't help, you can attempt to repair Windows XP by using the Windows XP CD as a boot disk.