Pop-Up Stopper Anti-Spyware
Block every type of ad, Web based or not. If it moves, shakes, wiggles, flies over your screen or jumps out from under your browser, we'll block it. Period. You can report ads that we do not block, and we will update the product to block them. We block ads served by spyware and adware files. ... Also includes optional toolbar for Internet Explorer, Cookie Manager and complete cleaning of common Internet files. ... Also included are advanced ad-blocking options for Internet Explorer, AOL and MSN.
http://www.panicware.com/downloads/PopUpStopperAntiSpyware.exe - 4Mb - Download - Screenshot

Website Block
Website Block software utility allows you to block unwanted websites from display in Internet Explorer. If a website is blocked the user is forwarded to a blank page and the contents of the page are not loaded on your PC. Stop loading banners and ads, block your kids from spending hours in chat... The software includes password protected mode so that other computer users can not modify the list of blocked sites and capability of saving and loading lists of blocked URLs or keywords.
http://www.ashkon.com/download/webblock.exe - 541Kb - Download - Screenshot

Popups Nuker
Popups Nuker - Pop up Killer & Stopper & Ads Filter intelligently blocks annoying aspects of browsing the net (ads, Pop ups advertising, slow surfing speeds, spying cookies). Works with all Web Browsers (AOL, Netscape, Internet Explorer, Opera). Pop Up Ads Filter is full-featured with... Works with all the web browsers: Netscape, Internet Explorer, Mozilla, AOL, MSN, SBC Yahoo, WMConnect, Opera, and many others. ... Block pop ups and pop-under ads including X10 and Casino windows. ... Block Banner Ads: Remove all the clutter of all the flashing banner ads.
http://www.popupsnuker.com/download/pn1600.exe - 4Mb - Download - Screenshot

PopUpCop by EdenSoft
Award-winning PopUpCop blocks unwanted popup windows without interfering with normal Web browsing. PopUpCop is designed to return control of your browsing experience back to you. It does not block all advertisements: it blocks irritating Web site behavior, which is often used for advertisements. ... To make all this flexibility easy to control, PopUpCop features two unique control mechanisms: the Internet irritation indicator and the Internet irritation level slider. ... PopUpCop is packaged as an Internet Explorer toolbar add-in.
http://www.popupcop.com/generic/PopUpCop.exe - 503Kb - Download - Screenshot

Stop The Popup
Block popups, ads, pop under & spying cookies in all Web Browsers (AOL, Netscape, Internet Explorer, Opera). Can also be started manually or at windows startup or with your browser window startup. Works with modems, LAN, cable, DSL, ISDN, T1-3, wireless connections. ... Works with all the web browsers: Netscape, Internet Explorer, Mozilla, AOL, MSN, SBC Yahoo, WMConnect, Opera, and many others. ... Block Banner Ads: Remove all the clutter of all the flashing banner ads. ... Block pop ups. ... Personalize your experience!
http://www.stopthepopup.com/download/stp4100.exe - 4Mb - Download - Screenshot

Zilla Popup Killer
Block pesky ads, popups, pop under & spying cookies in all Web Browsers (AOL, Netscape, Internet Explorer, Opera). Can also be started manually or at windows startup or with your browser window startup. Works with modems, LAN, cable, DSL, ISDN, T1-3, wireless connections. ... Works with all the web browsers: Netscape, Internet Explorer, Mozilla, AOL, MSN, SBC Yahoo, WMConnect, Opera, and many others. ... Block Banner Ads: Remove all the clutter of all the flashing banner ads. ... Block pop ups. ... Personalize your experience!
http://www.zillasoft.ws/download/zpk4200.exe - 5Mb - Download - Screenshot

Pop-Up Stopper Basic
Stop Internet Explorer pop-up windows with this handy browser toolbar for Internet Explorer, now with Windows XP support! Pop-Up Stopper Basic provides more efficient pop-up and pop-under blocking technology in an easy to use Internet Explorer toolbar that is only active when your browser is open! ... Other fun features include a handy button to locate the last folder where you downloaded a file from the Internet - no more searching for downloaded files! ... 30 day free trial - free tech support and an unconditional money back guarantee!
http://www.popupstopper.net/PopUpStopperBasic.exe - 300b - Download - Screenshot

AdsNoMore
AdsNoMore is a pop-up stopper and banner ad blocker designed to eliminate all of the ads that disrupt your online experience. AdsNoMore will stop adware and spyware pop-ups, web popups from Internet Explorer, Netscape, Opera, and Mozilla, and block banners which will result in faster web browsing. ... It also allows you to block messaging service ads from software such as Kazaa, AIM, MSN, ICQ, etc... ... AdsNoMore is all you will ever need to keep your computer free of ads. ... AdsNoMore provides additional protection even if you run firewall software such as ZoneAlarm, or anti-spyware...
http://www.adsnomore.com/adsnomore.exe - 2Mb - Download - Screenshot

Pop-Up Stopper Professional
The only privacy product to block pop-up windows and clean tracking files in every browser on every Internet connection. No matter how you surf, you are protected. Pop-Up Stopper Professional blocks, or quickly closes, pop-up and pop-under ads in ALL browsers, including FireFox, AOL, MSN,... Preserve bandwidth by stopping pop-up windows before they load! ... Play one of many fun sounds when a pop-up window is blocked. ... 30 day free trial - free tech support and an unconditional money back guarantee!
http://www.popupstopper.net/downloads/PopUpStopperProfessional.exe - 1,000Kb - Download - Screenshot

Block Web Site Buddy
Block Web Site Buddy is an essential software to block web sites that have unwanted content. Stop downloading advertising banners and get rid of undesired web sites to keep your privacy and reduce internet traffic. Block Web Site Buddy is fully compatible with all popular web browsers including... Software has predefined list of ready-to-block advertising web sites. ... Block Web Site Buddy rejects online tracking and advertising pictures when you open emails in Microsoft Outlook, Outlook Express, Netscape mail, Eudora and other email applications.
http://www.scosoft.com/BlockWebSiteBuddy32.exe - 967Kb - Download - Screenshot