Try booting up in safe mode and run a scan from there.

If you can't figure it out try one of these help sites. They will be better able to help yao as they specialize in this type of thing.

These three are recommended:

http://www.spywarewarrior.com/index.php

http://www.castlecops.com/forums.html

http://forums.spywareinfo.com/index.php?showtopic=79038

Good luck.

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