Block ALL popup windows opened by Internet Explorer, both, those that are opened automatically by a script as well as links that open a new window. NO black list you need to maintain Contents of popups is NOT downloaded from the Internet, thus saving you bandwidth NO loop that uses CPU resources when waiting for new windows NO hook into message loops what would slow down your machine Integrated into Internet Explorer, prevents popups BEFORE they are created Blocks ad-supported programs from even starting Internet Explorer!