AntiPopUp for IE: Internet without popup ads - description from Softdepia.com:
Popup windows can be extremely annoying. They can appear without warning, even after you have exited from a site. AntiPopUp for IE is a small program that automatically closes a sponsor's Popups. Unlike many other similar programs, AntiPopUp for IE doesn't require that you add each popup window to a list as they occur. It uses the smart identification engine, which recognizes sponsor's popup windows and closes them automatically.
AntiPopUp for IE: Internet without popup ads is a "Free to try" program. You can download and try it for an evaluation period.