Thanks to this Washington Post Security Fix article we learn that some scammers want to make you pay to run Internet Explorer. Of course, this is a scam, and the article tells you all the nice things these good people do to your computer.
You've already paid for IE: as we all know, it's an integral part of Windows 98, Me, 2000, and XP, one of which you paid for when you bought your computer. (You did pay for Windows, didn't you?) If you want a really free browser, try Firefox or Opera. Or, for a really light-weight browser, try Lynx, originally developed at KU.