Constantly being interrupted by banners, often more than not they cut off programs I'm working on. Now I have a big red one, when I click on it my computer freezes up. I guess Onecare would be nice if it worked.
Since it appears that your PC is infected and you have OneCare, please contact OneCare support for help with this -
How to reach support (FAQ) - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2
-steve