cannot change file association

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  1. Posts : 280
    Windows 10 Pro 64-Bit
       #31

    Problem is, before my machine even got wind of the kb4462919 update, I did use the windows update diagcab troubleshooter to hide that update, but windows update still found it, and still applied it; perhaps I should've disconnected from the internet entirely, then ran the update, so when it failed and I tried again, windows update would recognize that update as hidden

    TL;DR didn't make a macrum reflect backup, stuck till next CU or small update that resolves it (which I really hope its soon); then ill reassign all the file associations then use dism to make a file associations backup in-case something like this happens again
      My Computer

  2. Matthew Wai's Avatar
    Posts : 5,134
    Windows 10 Home 20H2
       #32

    Is it possible to change file associations via Registry Editor?
      My Computer


  3. Posts : 280
    Windows 10 Pro 64-Bit
       #33

    all file type associations have registry entries, else there wouldn't be a tenforums tutorial entry regarding resetting default file associations for various extensions (iso, png, xml, etc...), so yes, we can. Internal windows settings/3rd party programs help to do most of the syntax work so all you need to do is change a few things, click ok, and voila

    the only difficulty is figuring out what entries to make/modify, then resetting your computer and hoping that whatever you change doesn't 86 your computer
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  4. Matthew Wai's Avatar
    Posts : 5,134
    Windows 10 Home 20H2
       #34

    BrokenDaily said:
    86 your computer
    What does "86" stand for?
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  5. Posts : 280
    Windows 10 Pro 64-Bit
       #35

    its another way of saying break, or mess up
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  6. Matthew Wai's Avatar
    Posts : 5,134
    Windows 10 Home 20H2
       #36

    BrokenDaily said:
    the only difficulty is figuring out what entries to make/modify
    Perhaps the experts here know how to do it readily.
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  7. Posts : 65
    Windows 10
    Thread Starter
       #37

    Until it is fixed by microsoft, in cmd (here an example with .xml) :

    assoc .xml
    (outputs "xml=xmlfile")
    ftype xmlfile="C:\Windows\System32\anyprogram.exe" "%1"

    Or for a non-already existing extension :

    assoc .abc=abcxyz
    ftype abcxyz="C:\Windows\System32\anyprogram.exe" "%1"
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  8. Matthew Wai's Avatar
    Posts : 5,134
    Windows 10 Home 20H2
       #38

    @trogne, please tell me whether the following is correct.

    ".avi" already exists.
    assoc .avi
    ftype avifile="C:\Program Files (x86)\The KMPlayer\kmplayer.exe" "%1"

    ".flv" does not exist.
    assoc .flv=flvxyz
    ftype flvxyz="C:\Program Files (x86)\The KMPlayer\kmplayer.exe" "%1"

    Also, how can I check whether an extension already exists or not?
      My Computer

  9. dalchina's Avatar
    Posts : 30,097
    Win 10 Pro (1903)
       #39

    cannot change file association-1.jpg

    cannot change file association-1.jpg
      My Computers


  10. Posts : 65
    Windows 10
    Thread Starter
       #40

    @Matthew Wai , To check if a file association already exist , for instance for ".flv" in my case :

    assoc .flv
    output : .flv=VLC.flv

    ftype VLC.flv

    output : VLC.flv="C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "%1"
      My Computer


 
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