I would also run any and all of my "anti" stuff to make sure there aren't any 'nasties' on my computer that are generating this kind of stuff.
Good 'first' move though.
I just booted up my computer and there is a "Backweb Security Notice"
is published by
Cupertino, California, US
As a publisher under credentials issued by
Secure Server Certifacation Authority
RSA Data Security Inc.
Expires: March 25,2005
Hello, its NOT 2005 anymore! This looks really suspicious. I said no to the popup. Should I have done this?