SUPER Antispyware Free Edition works well.
Why thankyou very much
Chances are, that was one of them.
If you feel that you need to scan and remove them, if there are any, I recommend Spybot S&D, it's free and reliable.
http://fileforum.betanews.com/detail/Spybot_Search_and_Destroy/1043809773/1
dont worry, go on msn if you want. it will be fine =D