Once I got out of Safari I deleted the history and the problem was fixed. I'd say you're a lifesaver but I don't know how serious the issue was.
I clicked on a link and it generated an automatic email to [email protected]
When I called the phone #, my first two clues were that they never answered with a company name and they were there to fix Microsoft Adware.
I went so far as to exit Safari and pull up the info on the website he provided.
I am running Windows XP on a Compaqnc6000 - Every 5 minutes a pop up keeps showing up saying "Windows Security Alert" Then in the Body it says "Warning Potential Spyware Operation!