Media Player x86

To undo the x64 change, and to switch, swap, revert and change back the default media player to Windows Media Player 12 x86 32-bit edition,.

%WinDir%\system32\unregmp2.exe /SwapTo:32

For value data of “Path” sub-key of “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\wmplayer.exe” registry branch,

Sets it to %ProgramFiles (x86)%\Windows Media Player.

Then copy and paste the following code to a text editor to create a .reg file,.

Which can be ran to merge the registry keys and values to change the WMP file associations.

Windows Registry Editor Version 5.00.

[HKEY_CLASSES_ROOT\CLSID\{45597c98-80f6-4549-84ff-752cf55e2d29}\LocalServer32]

@=hex(2):22,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,\.

00,65,00,73,00,28,00,78,00,38,00,36,00,29,00,25,00,5c,00,57,00,69,00,6e,00,\.

64,00,6f,00,77,00,73,00,20,00,4d,00,65,00,64,00,69,00,61,00,20,00,50,00,6c,\.

00,61,00,79,00,65,00,72,00,5c,00,77,00,6d,00,70,00,6c,00,61,00,79,00,65,00,\.

72,00,2e,00,65,00,78,00,65,00,22,00,20,00,2f,00,45,00,6e,00,71,00,75,00,65,\.

00,75,00,65,00,00,00.

[HKEY_CLASSES_ROOT\CLSID\{cdc32574-7521-4124-90c3-8d5605a34933}\LocalServer32]

@=hex(2):22,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,\.

00,65,00,73,00,28,00,78,00,38,00,36,00,29,00,25,00,5c,00,57,00,69,00,6e,00,\.

64,00,6f,00,77,00,73,00,20,00,4d,00,65,00,64,00,69,00,61,00,20,00,50,00,6c,\.

00,61,00,79,00,65,00,72,00,5c,00,77,00,6d,00,70,00,6c,00,61,00,79,00,65,00,\.

72,00,2e,00,65,00,78,00,65,00,22,00,20,00,2f,00,42,00,75,00,72,00,6e,00,43,\.

00,44,00,00,00.

[HKEY_CLASSES_ROOT\CLSID\{ed1d0fdf-4414-470a-a56d-cfb68623fc58}\LocalServer32]

@=hex(2):22,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,\.

00,65,00,73,00,28,00,78,00,38,00,36,00,29,00,25,00,5c,00,57,00,69,00,6e,00,\.

64,00,6f,00,77,00,73,00,20,00,4d,00,65,00,64,00,69,00,61,00,20,00,50,00,6c,\.

00,61,00,79,00,65,00,72,00,5c,00,77,00,6d,00,70,00,6c,00,61,00,79,00,65,00,\.

72,00,2e,00,65,00,78,00,65,00,22,00,20,00,2f,00,50,00,6c,00,61,00,79,00,00,\.

00.

Finally, re-pin the WMP x86 icon onto Taskbar to be able to run 32-bit WMP directly from Taskbar.