Originally posted here by nihil
For Windows and IE:

http://www.myminer.com

"Pop-up preventer 1.20"

http://www.panicware.com

"Pop-up Stopper"

The Agnitum personal firewall has a plug-in that seems to block a lot of Ads.

Cheers
yeah nowadays firewall also do the job of blocking ads, etc... like ZA Pro, Kerio, Outpost, NIS