Windows 7 cannot select default program – not working 1


Suddenly today my files lost association to the proper program (zend studio) on my windows 7 machine. I right clicked the file and chose “open with” and navigated to the program, double clicked it. Unfortunately the program never got added to the list of recommended or available programs in the previous window, so I could not assign it as the default program. However, I was able to navigate to other programs and assign them as the default, so the problem existed with the program I was trying to select. I believe there was an issue with the registry keys related to this program. I ended up running the program installer again and doing a “repair” and then it worked.


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One thought on “Windows 7 cannot select default program – not working

  • Juan

    Hi There,
    Had a similar issue but with Notepad ++, the issue come when I renamed the folder where the application was installed/hosted. The registry holds the information about applications installed and also about the file extension association.
    The File Extension association can be found on
    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts
    The Application path is on (in my situation).
    [HKEY_USERS\S-1-5-21-1957994488-963894560-725345543-217731_Classes\Applications]

    There are no ready to use formulas here, searched a lot about this issue and found no help.

    Hope this helps, regards