Sounds like the classic case of adware, where they say your computer is infected, and they try to sell you their software that removes the windows window problem. I would switch to mozilla firfox ASAP to prevent further problems.

__________________
-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.