Web Site Zapper 

Web Site Zapper closes Web browsers displaying undesirable Web sites. It can be used either for popup control, or to control Internet access. It can either close down any site on the bad site list, or close down any site NOT on the good site list.
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Mister Popper Stopper 

Monitor Internet Explorer for popups and stop them dead in their tracks!
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Web control 

Stop Popups dead in their tracks.
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Popup Eliminator 

Stop Popups dead in their tracks.
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FilterGate 

FilterGate automatically blocks Popup-Windows, Banner-Ads, Privacy-invasions, Adult-content and more. FilterGate comes in one easy to use package offering you cleaner browsing and peace of mind.
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PopUpCop by EdenSoft 

Award-winning PopUpCop blocks popups and a variety of other annoyances that, unchecked, degrade the quality of your web experience. This add-on for Internet Explorer version 5 and higher will make your Web browsing experience more tranquil.
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