I´ll check my popo up stopper --- AD Flow has been a big pain --- Maybe thats all it is .. :p
No problem here either, knock on wood :-) Maybe delete cookies, they do get corrupted at times.
I suggest useing k-meleon or another gecko based web browser. They all have built in popup control. It´s sweet. I;ve been using k-meleon for about a year and a half. Im very pleased with it. They all have some form of skinning ability too. 8)