Windows Media Player Firefox Plugin
Mozilla Firefox needs a special plug-in to run Windows Media. The plug-in comes in two different versions. The first one is the older and the original one, which normally comes with Windows 98, Me, 2000 and XP. But the new version of the plug-in suitable for Windows Vista and Windows 7 is not bundled with the OS; so, you’ll need to download it from the most appropriate source free from viruses, worms, spyware and / or adware.
Although most of the XP users are supposed to have the old plug-in already installed in their PCs, it is advisable that the new plug-in should be installed anyway to avoid disappointments while trying to play Windows Media audio and video pieces embedded in web-pages through the browser Mozilla Firefox.