KillAd is a nice, free program only available for Windows, that is part of the category Internet software with subcategory Web (more specifically Popup Blockers).
More about KillAd
It's available for users with the operating system Windows 95 and former versions, and you can get it only in English. The software version is 0.11 and was updated on 7/15/2003.
Since we added this software to our catalog in 2005, it has obtained 2,255 downloads, and last week it had 6 installations.
KillAd is a reasonably light program that doesn't take up as much storage space than the average program in the section Internet software. It's very heavily used in some countries such as India, Australia, and Malaysia.