XP Virus Message

"Some dangerous viruses detected on your system. Microsoft windows XPfiles corrupted.... may lead to destruction of important files... clickOK to download ...

Yes/ No

Whether you click yes or no - it routes to a browser page http://systemerroronline.com/id/4912933/4/1/

run avast pre-boot. Spybot & Super-anti spyware - to no avail.