Super Popup Killer can block 100% annoying ad pop-up windows, even include unsolicited pop-up windows when you close some Web page. You don't need to add any 'blacklist' for blocking ad pop-up windows; Super Popup Killer will automatically block annoying popup. It only blocks ad pop-up windows and never interferes with the user's navigation. Super Popup Killer is so fun, it will play sound and flash tray icon when it blocks pop-up windows. Super Popup Killer consumes small system resource.