A few things to try there.. careful with this one, some of the sites that I found when googling it were fake-anti-spyware sites offering download tools that are themselves probably spyware.
http://forums.cnet.com/5208-6132_102...sageID=2435757
Other than Adaware, I also highly recommend the Microsoft one here:
http://www.microsoft.com/athome/secu...e/default.mspx