But I use a HOSTS file that blocks such, plus I make sure all my cookies are frequently cleaned out. It would be a good idea for you to "reset" your browser to take your browser back to its default state. Since you didn't tell us which browser you're using, you'll have to Google "reset Internet Explorer" or what ever browser you're using.

If you're interested in scanning for malware, the scanners in the link below will remove most bad stuff that I've had issues with. Follow the steps in the link exactly as written, in the order given. The scans will take a while but they should find any problems.

“Expand” the post titled: "Please try this" at the link below:
http://www.cnet.com/forums/post/f742c795-5881-433b-a29b-6d758efe5cd3/

Hope this helps.

Grif