'open with' not sticking


  1. Posts : 189
    Windows 10 Pro x64
       #1

    'open with' not sticking


    If I set a movie to open with WMP (or VLC) using

    open with - choose another app - always use this app to open .mp4 files

    it sticks while my pc is on, but next day when I click an mp4, Films + TV opens (ditto for mpg, mkv etc). Same happens with images. I used a reg file from this forum to enable Photo Viewer and set that as default, but when I click a jpg it uses a different app.

    Is this a bug or a feature ? Could CCleaner be deleting my 'open with' settings ?
      My Computer


  2. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #2

    Try the old-fashioned way.................

    type control panel into the search box > Enter > top right, click View by and select small > select Default Programs > select Associate a file type or protocol...... >wait for loading > left side, scroll down to mp4, click it > does it say WMP or VLC ?
    if not, top right click Change program > find WMP or VLC > click it > click OK.

    https://www.tenforums.com/tutorials/5...dows-10-a.html

    See if the setting will stick this time.
      My Computer


  3. Posts : 189
    Windows 10 Pro x64
    Thread Starter
       #3

    Well, I followed 'the old fashioned way' and changed all relevant associations. After a restart most, but not all, default programs had stuck. I opened Thunderbird to get the forum link to reply 'solved' and my desktop icons started flashing - all associations had turned back to Microsoft default.

    When it comes to this Windows 10 upgrade, I guess there's no such thing as a free lunch - it's their way or the highway.

    Thanks for reply.
      My Computer


  4. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #4

    Weird.
    I have a Win 10 Home 10586.36 and a Win 10 Pro Insider Preview 11082.
    I have no problem setting open with default programs on both machines.

    Sorry. I have no idea what's wrong with your machine.
      My Computer


  5. Posts : 5,442
    windows 10 Pro ver 21H2 build 19044.1348
       #5

    Out of desperation......................
    How about NOT using T-bird ?
      My Computer


  6. Posts : 287
    win 10 home
       #6

    @badcrc

    Just wondering ... in the dialog box for changing association, do you click 'Ok' or 'Apply'? The latter will engage the OS and change all files of that extension; thumbnails will reflect the change.
      My Computer


  7. Posts : 35,402
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #7

    badcrc said:
    Well, I followed 'the old fashioned way' and changed all relevant associations. After a restart most, but not all, default programs had stuck. I opened Thunderbird to get the forum link to reply 'solved' and my desktop icons started flashing - all associations had turned back to Microsoft default.

    When it comes to this Windows 10 upgrade, I guess there's no such thing as a free lunch - it's their way or the highway.

    Thanks for reply.
    Noted your ref. to icons flashing and using a reg file.
    I had this when a registry key related to jpg gained an extra value- don't know why.
    If I had a jpg file visible in explorer or on the desktop, the icons flashed.
    Here are my notes, and a reference to the problem.

    "Fixed jpg - unable to change default association.
    Was set to Photos- opening an explorer window revealing a jpg or with a jpg on the desktop led to desktop and taskbar icons flashing.

    Solution: delete
    [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpg\UserChoice]
    http://www.thewindowsclub.com/fix-un...sion-windows-7

    Noted taskbar icons flashing with settings (default apps) open.
    Reset MS defaults.
    Flashing stopped
    Jpg UserChoice ok- set to a modern app."

    (You don't HAVE to reset to MS defaults, of course.. you could do sthg else there).
      My Computers


  8. Posts : 189
    Windows 10 Pro x64
    Thread Starter
       #8

    I think I have found what was screwing with my file associations - I was using a very old version of WinZip (v12 from 2008). For some reason, opening WinZip made my desktop + taskbar icons flash and associations change back to default. Installing v20 x64 WinZip seems to have fixed things.

    I know people are going to say 'impossible' etc, so I did a before and after Camtasia video - you can see the icons flash. Here on YouTube (unlisted) -

    Old version WinZip causing problems in Windows 10 - YouTube
      My Computer


 

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