Originally Posted by patronanejo
yes, you're right the Solution Offered by Microsoft Support is Incomplete and manually eliminate (x86) from "%ProgramFiles(x86)%\Windows Media Player" thruout the registry is indeed bullshit.
Please have a look at this: How to Set 64-Bit Windows Media Player 12 (WMP12) As Default Player (My Digital Life)
"In fact, WMP x64 has been included since 64-bit Windows Vista, and the WMP 11 x64 has also not been made as default player. There is workaround to switch or change and set 64-bit Windows Media Player 11 as default player in Vista (Switch, Change or Set 64-Bit Windows Media Player 11 (WMP11) in Windows Vista x64 as Default « My Digital Life
). However, the simple trick to switch to 64-bit player does not work anymore as Windows 7 locks the registry key that required to be changed to alter the file associations related to WMP. The change is to improve system security so that malicious code cannot modify the WMP play and enqueue commands.
As a result, Windows 7 users who want to use 64-bit WMP has to performed extra steps to unlock the registry key."
All steps to set 64bit WMP to default is offered as program Win7-WMP-x64.zip which sadly doesn't exist anymore.
I've reconstructed this little program and attached it. It uses SetACL.exe provided by Helge Klein (Download Delprof2, SetACL (Studio) and uberAgent)
Have a nice day,