There are some Websites which has Quick-Time Oriented content, where you'll be the unfortunate one who could not view it. The problem is that your machine has not installed the Quicktime ActiveX which is required. So in order to know whether your computer has already installed or not or if your having problems viewing certain websites, pls. refer the following link which will indicate whether your machine has installed the necessary QuickTime Activex or not:
http://www.apple.com/quicktime/download/qtcheck/
