Mister Popper Stopper - Version 2.1 This popup stopper software monitors all open IE windows for popups. Unique "Setup Mode" notifies you whenever a site tries to send a popup, and lets you block it or allow it with the click of a button. Once you turn off Setup Mode, only popups from sites you have specifically allowed will be shown.Unique "Setup Mode" notifies you when a site tries to open a popup and lets you choose whether to allow or permanently block popups from that site.Press Win+Z to allow the next popup.Can sense when your mouse is over a link and allow popups that are the results of clicking a link that opens in a new window.Play a sound whenever a popup is blocked.