I have found several unwanted files on my hard drive which I assume are viruses. I think they are causing Explorer problems and generally slowing my computer down. Firstly there is a file called "v3" in my C: drive folder and then in documents and settings there is a program called "hidden32". Also here are 2 webpages that keep opening in my browser called "gamma" and "staff" and also what I think is a DOS program called "x" and a registry file called "YEA." I am constantly having to remove things with Adaware and Spybot and such spyware removers. How can I clean everything up properly and protect against this as I'm constantly having problems? I recently reformatted my hard drive to clean everything up but it seems that there are still a lot of problems...