[sauropod]

That's what i am running too!

[Dog Gone]

Oh dear. That was such a simple solution, too.

Well, you can do a search of all your files for exe files, and try to figure out which one has been added recently. That's probably the culprit if you haven't installed other new programs.

[Dog Gone]

When I ran the utility, I was shocked to find that I had about 15 of those suckers on my machine. I was getting popups even here on FR.

[jumpstartme]

Here's a pop-up utility that works with both Win95 and Netscrape. link.