This policy setting allows you to prevent a shortcut icon for the Player from being added to the user's desktop.If you enable this policy setting users cannot add the Player shortcut icon to their desktops.If you disable or do not configure this policy setting users can choose whether to add the Player shortcut icon to their desktops.
Policy path:
Windows Components\Windows Media Player
Scope:
Machine
Supported on:
Windows Media Player 9 Series and later.
Registry settings:
HKLM\Software\Policies\Microsoft\WindowsMediaPlayer!DesktopShortcut
Filename:
WindowsMediaPlayer.admx