Pop-Up Stopper Basic - Version 2.40.1000 Stop Internet Explorer pop-up windows with this handy browser toolbar for Internet Explorer, now with Windows XP support! Pop-Up Stopper Basic provides more efficient pop-up and pop-under blocking technology in an easy to use Internet Explorer toolbar that is only active when your browser is open! Panicware Intelligent pop-up control blocks only pop-up ad windows and allows users to allow pop-up windows from specific web sites!