Try some online scanner for viruses. Then get CCleaner, ad-aware, and spybot search and destroy.
CCleaner - Download
Ad-Aware 2007 Free - Lavasoft
The home of Spybot-S&D!
Run those and see if that helps.
CCleaner - Download
Ad-Aware 2007 Free - Lavasoft
The home of Spybot-S&D!
Run those and see if that helps.