Windows Media Player COM

Switch, Change or Set 64-Bit Windows Media Player 11 (WMP11) in Windows Vista x64 as Default

In Windows Vista x64 (64bit version), the 32-bit edition of Windows Media Player 11 (WMP 11) is set as the default Windows Media Player. This is done to avoid and reduce any compatibility issues or problems that may arise with codecs or other DirectShow related plug-ins or add-ons that majority of them still built for 32-bit operating system.

However, if you decide to use the 64-bit version of WMP11 with your 64bit version of Windows Vista, especially now that more and more codecs

By default, the 32-bit WMP 11 x86 is located at path of "%Programfiles(x86)%Windows Media Player", and 64-bit WMP11 x64 is located at folder of "%Programfiles%Windows Media Player". So the first method to use 64-bit Windows Media Player is by launching WMP from its x64 location.

To do so, go to Start -> Run, and execute %Programfiles%Windows Media Playerwmplayer.exe. Alternatively, you can create a shortcut with target and location set to the above path, and place the shortcut on desktop for easy access.

There is second method that make the WMP 11 x64 as the default media player for the Windows Vista. You need to perform 2 steps each to swap to 64-bit version or to undo the change back to 32-bit version WMP. First step of unregmp2.exe command change the operating system shortcuts to point to WMP 64bit, while the second registry step changes the file associations default program to WMP 64-bit, which determines which program will be used when you double click on a media file.

To switch and change to x64 or 64-bit of WMP11, open an elevated Command Prompt as administrator and type the following command:

%WinDir%System32unregmp2.exe /SwapTo:64

Then, open Registry Editor (regedit), then navigate to the the following registry key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionApp Pathswmplayer.exe

Set the registry subkey Path to %ProgramFiles%Windows Media Player, and (Default) subkey (normally the first entry) to %ProgramFiles(x86)%Windows Media Playerwmplayer.exe.

To undo the x64 change, switch, swap, revert and change back the default media player to Windows Media Player 11 x86 32-bit edition, also open an elevated Command Prompt with administrator privileges, but issue the following command instead:

%WinDir%system32unregmp2.exe /SwapTo:32

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