Free popunder software for windows

Tired of those annoying popups ruining your surfing experience?
Download and install in second freeware Pop Stop popup blocker from BestToolbars.net.
It is small. Is not advertising supported, nor does it require registration, and no information is collected from or about product users. Pop Stop is easiest to use.
Complete with full Install and Uninstall, and a complete setup wizard and online help file, and free tech support. No complicated configurations.
And as you are reading this and obviously interested in pop-up blocker you are noticing how it will help you in surfing if I download Pop Stop from Besttoolbars.net.
Pop stop can block 100% annoying pop-up and pop-under ads automatically while never interfere with opening new windows by you!
It also saves your bandwidth with popup filter - it stops a potential ad in its tracks before it even has time to download.
Features:
- It is always there as an icon in Internet Explorer
- Easy to turn blocking on/off
- Kills unwanted pop-ups but allows new window links that you click.
- Easy to use - install it and forget it!
- It disables javascript from accessing blocked pop-up window.

The #1 popup blocker lets you browse the web faster, more securely and with far fewer ads.
AdBuster blocks nearly all forms of popup ads, many banner ads, flash video ads, etc. for increased browsing speed and pleasure. Search with 6 engines incl Google from one toolbar.
SpyDeny(tm) feature monitors your PC against incoming spyware/adware installs - alerts you and offers the ability to quarantine offending files.
SpyDeny also monitors against attempts to reset your homepage. Includes online scanner that scans and removes common malware, and a vaccination process to immunize your PC against 150 most common adware/spyware.
AdBuster also features a complete password manager for automatic logins to your secure websites, storing them in a highly encrypted, portable data file on your computer.
FastPass entries act like favorites with autologin - 1click navs you to your site, fills your login info, and hits the enter button automatically for you!
Web pages download faster (from 12% to as much as 238% faster) due to blocking ads from being downloaded.
Try AdBuster now, its free and downloads in seconds!
Requires: Internet Explorer 6
GoGoData Ad Buster is 100% adware and spyware free!
Features:
- Popup/popunder ads (including web dialog style, which evade most free blockers)
- Video ads (flash ads)
- Most Banner ads (except contextual style)
- Chat login popups (e.g. MSN Today)
- Common Ad/Spyware detection, removal & vaccination.
- SpyDeny monitors against most incoming spy/adware installs!
Enhancements:
- Search feature offers image search, news search, dictionary, stocks and weather