cannot change file association

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  1. Posts : 71
    Windows 10
    Thread Starter

    The workaround does not work either. No matter if I wait, reinstall, restart...

    cannot change file association-123.png
      My Computer

  2. Posts : 43,199
    Win 10 Pro (22H2) (2nd PC is 22H2)

    This is a general bug.. with some possible workarounds (maybe):

    I used Google to search for
    can't change default program build 1803

    Version 1803 does not allow me to set defaults by app - MoBEX error Solved - Windows 10 Forums
    Default Program Settings - Microsoft Community
    file association - Windows 10 removed the option to - Super User
    Today I noticed Win10 1803 we're unable to set some apps as default (Notepad++) : sysadmin

    for example. Different flavours on the changes MS have foisted on the unsuspecting public - er - I mean improvements they have delivered to their customers.

    I would have thought it should be possible to use a 3rd party program such as the Default Programs Editor
    Default Programs Editor

    (run as admin)
    to effect some changes in the registry for simpler cases at least, if there is no way using the Windows GUI.

    Accuracy and confidence required, but it does support defined tasks.

    Similarly with Filetypesman - making the changes manually.

    In both cases the question would be whether the changes can be written to the registry- and retained on restart, for example.

    Glad I stayed with 1709...
      My Computers

  3. Posts : 7,606
    Windows 10 Home 20H2

    On my 1803, I have the same problem with the default video player, which cannot be changed.

    cannot change file association-3.jpg
      My Computer

  4. Posts : 118
    Windows 10

    It seems that CU KB4462919 is the cause. Can everybody with the issue confirm that they installed this update? At least one person has fixed the issue by removing the update.
      My Computer

  5. Posts : 43,199
    Win 10 Pro (22H2) (2nd PC is 22H2)

    Cumulative Update KB4462919 Windows 10 v1803 Build 17134.345 - Oct. 9 - Page 2 - Windows 10 Forums

    I can find nothing about that in the comments following that update- but it may simply not have been mentioned there.
    Do you have a source for that?

    Comments on that here:
    After CU KB4462919 W 10 v1803: can you change default program?Y/N - Windows 10 Forums

    Seems the update only applies to 1803, 1809 as far as I've found so far, and I haven't had it on 1709.

      My Computers

  6. Posts : 7,606
    Windows 10 Home 20H2

    Dirk Gently said:
    It seems that CU KB4462919 is the cause. Can everybody with the issue confirm that they installed this update?
    I did install it.

    cannot change file association-update-history.jpg
      My Computer

  7. HeM
    Posts : 391
    Win 10 Pro x64 v.22Η2

    I'm on 1809 since its first official hour (then paused), WU auto-upgrading from 1803 and this issue was the first I faced. I don't know (didn't face it) if issue was there (1803) and I have not tested it on a 1809 clean install.
      My Computer

  8. Posts : 43,199
    Win 10 Pro (22H2) (2nd PC is 22H2)

    You could try uninstalling the update.....

    Updates can be hidden so they don't recur; however any next update will presumably incorporate the same change, unless the update has been corrected (I was going to saw updated!).

    Hide or Show Windows Updates in Windows 10 | Windows 10 Tutorials
      My Computers

  9. Posts : 118
    Windows 10

    Latest post on r/Windows10 is the same issue again:

    I cant associate anything with notepad or notepad++ in Windows 10... : Windows10

    Hopefully MS are taking notice.
      My Computer

  10. Posts : 1,773
    Windows 10 Home

    I'm on 1809 since its first official hour (then paused)"

    Ditto; do NOT have this issue on ANY file assoc.
      My Computer


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