7.1 64-bit File association and registering as the default application



  • Hi guys
    I’m having trouble setting/changing file associations - it’s simply not sticking in 7.1 (either 32 or 64 bit)
    In 64-bit I can’t even get the application to come up in the ‘Open With’ menu on Win 7 x64, and the only way I can set the associations is to launch np++ in administrator mode.
    With the 32-bit app, I can at least use the ‘open with’ menu to make the choices sticky, but they don’t persist when I uninstall 32-bit and run up 64-bit.

    I’ve got UAC on, but set to only notify if other applications make changes.



  • I had similar issue. I fixed it by replacing all C:\Program Files (x86)\Notepad++ references by C:\Program Files\Notepad++ in registry. After reboot, files where associated with x64 version.


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