Kill browser, Messenger Service, GAIN and SaveNow pop-ups automatically. The popup stopper has full support for both pop-ups and pop-under ads and will kill them even before they appear on the screen. Stop-the-Pop-Up Lite is a free pop-up blocker preventing all annoying pop-up windows from appearing as you surf the web. The popup stopper has full support for both pop-ups and pop-under ads and will kill them even before they appear on the screen. Each time a pop up is closed you will hear a cute sound effect. To allow pop-up windows you can temporarily disable the pop-up killer by holding Control, Shift or 'a'. An unique Stop-the-Pop-Up Lite feature is that it will kill all pop ups from file sharing programs and the spyware/adware that are bundled with these peer-to-peer programs. Stop-the-Pop-Up Lite supports Kazaa, Kazaa Lite, Morpheus, Grokster, iMesh, Xolox, and Direct Connect. Stop-the-Pop-Up Lite will also kill the new breed of pop-ups called 'Messenger Service spam'. Messenger Service pop ups can spam you even when your web browser is closed. Stop-the-Pop-Up Lite will also recognize and kill hostile activeX controls from companies known to develop spyware or adware. Gator, GAIN, C2, Comet Systems, Cydoor, Marketscore etc, are on Stop-the-Pop-Up Lite's black list. Stop-the-Pop-Up Lite can be configured to start automatically after a reboot and resides in the system tray when minimized. Stop-the-Pop-Up Lite is compatible with Internet Explorer. It is light on your system's resources and requires no setup! Pleasant surfing!