EndTask Free
The Free edition of the EndTask family is a unique pop-up blocker. Not long after you start browsing the internet, the term "pop-up" defines itself. You? re at a website and another window pops up out of nowhere. Pop-ups are usually annoying advertisements that waste a lot of your time while... When you finally get to your favorite site, there's a good chance it will use a pop-up window to present information to you. ... If you want the pop-up, just click on the notification window. ... A sound plays and a small notification window appears that gives information about the pop-up.
http://www.endtaskpro.com/download/EndTaskFree.exe - 1Mb - Download - Screenshot