GleanerSoft Ad Popup Terminator is an intelligent popup killer that can identify the unwanted popup windows generated by web pages and kill them before they appear o­n the screen.It includes a user-friendly interface for you to customize it. You can build up your own url list of sites that their popup windows should not be killed, disable/enable ad popup killer, disable/enable tray icon, or even return Internet Explorer context-menu to its original settings.