Accurate Popup Killer can accurately kill annoying advertising popup windows (including dialog popups) and stop messenger popup spam. The new version supports killing annoying "dialog popups".
Features:
Block Unsolicited Popups Accurately
Stop Messenger Popup Spam
Never Interferes Normal Browsing
Don't Block Macromedia Flash by Error
HotKey to temporarily allow popups
Notification on Blocking
"All-in-One" Technology