Uninstallation of WMP9

Its little complicated as You cannot uninstall WMP9 directly ..

To Proceed you must follow the following steps

Go to Menu "Start" and select "Run".

Copy/Paste the following command and click on OK.
:
RunDll32 advpack.dll,LaunchINFSection %SystemRoot%\inf\wmp.inf,Uninstall

Then restart your computer to save all configurations in your computer system.