The behavior you describe sounds like you have a spyware ad redirector.\n\nYou should try running Yahoo! AntiSpy, which is part of the Yahoo! Toolbar, and you should consider Spybot - Search & Destroy, which is a free download:\n\nhttp://www.safer-networking.org/\n\nIf that doesn't work, try this:\n\nhttp://blog.360.yahoo.com/blog-NVb99sQ4RK5BVgIbxdcQdcRtfT8-?cq=1&l=21&u=24&mx=24&lmt=5&p=4