Exitkiller.

Pop-Up Terminator..

From the Developer: Exit killer 4.0 has only one purpose: to prevent any unwanted pop up window generation on your screen. based upon four sensitivity levels exit killer 4.0 provides you with precise control. each level filters variety of advertising pop ups. the highest level prevents any pop ups and you can be sure that nothing will ever bother your while surfing! special features: prevents from any unwanted popups block known and unknown popups block 100% unsolicited popups not depend on websites' design smart pop up and pop under control popup alert beeps on every popup override keys to temporarily disable easy to turn popup killer on/off integrated with bro...[Click for more information]