STOPzilla guards you against unwanted pop-up windows and adware installations. It can block almost all common pop-up types in Internet Explorer, and includes options to exclude sites, blacklist sites and more. The real-time (memory) adware protection monitors your system, intercepts any adware installations that it detects and alerts you about the issue. Additional features include integrated Cookie and History cleaning, as well as homepage protection, HOSTS file protection and blocking of Windows Messenger popups. STOPzilla! comes with a very user-friendly interface and is easy to use.

STOPzilla successfully scans, removes and blocks Spyware, Adware, Pop-up ads, Phishing attacks, hijackers, rootkits, Trojans, bots, drive-by downloads, rogue programs, messenger service ads, keyloggers, malicious BHOs, dialers, and much more.
Comprehensive Online Security...
Our commitment to excellence has resulted in numerous awards and recognition from a wide variety of publications and program testing organizations around the world. STOPzillas technology has protected users from Spyware / Adware in over 60 countries and has been downloaded by more than 15 million users, worldwide.
True Real-time Protection...
STOPzillas True Real-Time protection detects, blocks, and quarantines both known and potential Spyware infections before they can attack your system and do damage. Legitimate program programs are allowed to execute freely. From the moment you start your computer, STOPzilla is working to protect you from malicious programming, so your PC is never vulnerable.
Most advanced Pop-up blocker available...
STOPzillas highly advanced Pop-up blocker intercepts and destroys all forms of Pop-up advertisements while allowing user-requested Pop-ups to display. STOPzilla has the intelligence to distinguish legitimate Pop-ups (banking sites, e-mail, etc.) from annoying Pop-up Ads. Not all Pop-up blockers were created equal. Basic Pop-up blockers will not block Pop-ups delivered by Spyware / Adware applications. STOPzillas award-winning Pop-up blocking technology will block both Web site spawned Pop-ups and well as Pop-ups launched by Spyware / Adware applications.
Simple to use...
STOPzilla has been specifically designed to perform impactfully regardless the users level of computer expertise. Upon boot-up, STOPzilla starts and requires very little user interaction. With STOPzilla, your time can be spent surfing the Web, not worrying about Spyware and Adware.
Frequent Auto-updates & Free Tech Support...
STOPzillas Spyware / Adware research team sends out updates as often as every day to ensure that your PC security is never compromised and always protected against the latest threats. Any problem or question can be resolved free of charge by STOPzilla Customer Support. Support options include chat, e-mail, online Help and toll-free calls.

STOPzilla! Features:
1. Four configurable types of on-demand and automatic Spyware scanning.
2. Can be set to update automatically or on demand for optimal protection.
3. Advanced Pop-up protection blocks ads that slow down your surfing.
4. Kills browser hijackers, removes rootkits, prevents botnet attacks.
5. Blocks Phishing attacks, protects from malicious Web sites.

The license of this software is Free Trial Software, the price is $9.95, you can free download and get a free trial.