Prevents media sharing from Windows Media Player. This policy prevents any user on this computer from sharing digital media content from Windows Media Player with other computers and devices that are on the same network. When this policy is disabled or not configured, anyone using Windows Media Player can turn media sharing on or off. When this policy is enabled, media sharing will be disabled from Windows Media Player or from programs that depend on the Player's media sharing feature. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Media Player!Prevent Media Sharing (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsMediaPlayer!PreventLibrarySharing