How to uninstall Windows Media Player 10?

I. Use xplite

--or---

II.
To roll back from Windows Media Player 10 to a previous version using Add or Remove Programs, do the following:
1. Click "Start"->"Control Panel". In the Control Panel (Category View) click "Add or Remove Programs".
2. Click "Add or Remove Programs" again, and then do one of the following:
a. If you are running Windows XP Service Pack 2, select the "Show updates" check box (at the top of the list), click Windows Media Player 10, and then click Change/Remove.
- or -
b. If you are running Windows XP Service Pack 1 or earlier, click Windows Media Player 10, and then click Change/Remove.
Reboot your machine after uninstalling.

III.
To roll back from Windows Media Player 10 to a previous version (that was part of your original version of Windows) you may also use System Restore.