Try running several malware scanners. It is best to run several as each will pick up things that the others miss. Some scanners you can try are: * [http://www.malwarebytes.org/mbam.php Malwarebytes] * [http://www.superantispyware.com/ SUPERAntiSpyware] * [http://www.lavasoft.com/products/ad_aware_free.php Ad-Aware] * [http://www.microsoft.com/windows/products/winfamily/defender/default.mspx Windows Defender] * [http://www.safer-networking.org/en/home/index.html Spybot S&D] If the above malware scanners do not find any malware or can not clear it, you should consider posting in one of these forums for specialized malware removal help: * http://forums.spybot.info/ * http://www.spywarewarrior.com/index.php * http://forum.aumha.org/ * http://www.bleepingcomputer.com/forums/ * http://www.spywareinfoforum.com/