What if your media player gets corrupt and is not opening, but you have to urgently see something and don't have any time to install any other software that runs the audio/video files..
In such a case, you can still view and listen to your audio/video files without installing any other software..
As for this Windows XP provides a hidden program..
Now, type mplay32
Windows XP provides a media player 5.1 version that is inbuilt for backup and recovery.
Even if you upgrade your Media Player, you can still access your old player in case the new one fails !!!