Windows 10: File Explorer in Windows 10 Not Opening Folders Solved

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  1.    02 Jan 2018 #11

    JohnBurns said: View Post
    Callender - thanks so much. Explorer++ fixed my problem completely. Absolutely fantastic. You are great - thanks again!
    Just like John I no longer have any issues accessing the folder I had problems with. Weird bug I experienced. Thanks.
      My ComputerSystem Spec

  2.    02 Jan 2018 #12

    Cheers but if you mean that Explorer++ works but you still have problems with Windows File Explorer then the problem is not really fixed - just bypassed.

    Sounds like a third party software shell extension issue.

    However if you're happy you can use the option to replace explorer.

    Click image for larger version. 

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      My ComputerSystem Spec

  3.    02 Jan 2018 #13

    Or if you mean that everything woks now - ignore that last post!
      My ComputerSystem Spec

  4. JohnBurns's Avatar
    Posts : 368
    Windows 10 1803 Build 17134.319
    Thread Starter
       02 Jan 2018 #14

    Callender said: View Post
    Or if you mean that everything woks now - ignore that last post!
    I meant everything was working now---but unfortunately it lasted only a few minutes. Now Explorer++ and Windows Explorer have reverted back to approx 1 minute to start again. Don't know why it worked for a bit - but thanks for the try. Will send screenshot like you requested if that's ok.
      My ComputerSystem Spec

  5.    02 Jan 2018 #15

    Better to run a UVK scan because it will detail installed software and versions along with shell extensions.
      My ComputerSystem Spec

  6. JohnBurns's Avatar
    Posts : 368
    Windows 10 1803 Build 17134.319
    Thread Starter
       02 Jan 2018 #16

    Ok - is this the UVK you mean?

    Download UVK Ultra Virus Killer Portable - MajorGeeks

    Just in case, here is the screenshot of my right-click menu, too.
    Attached Thumbnails Attached Thumbnails Screenshot (66).png  
    Last edited by JohnBurns; 02 Jan 2018 at 19:07. Reason: Add screenshot
      My ComputerSystem Spec

  7.    02 Jan 2018 #17

    RE: UVK - see post#9 in this thread for download and settings. It's just to get a better look at installed software and shell extensions.
      My ComputerSystem Spec

  8.    02 Jan 2018 #18

    Unfortunately your context menu screenshot is for a zipped folder rather than a regular folder!
      My ComputerSystem Spec

  9.    02 Jan 2018 #19

    So to recap a little.

    Need to try:

    Disable Automatic Folder Template Discovery for all folders and subfolders plus libraries.

    Not yet mentioned:

    Clear thumbnail cache: Clear and Reset Thumbnail Cache in Windows 10 Customization Tutorials

    Turn off thumbnail previews: Enable or Disable Thumbnail Previews in File Explorer in Windows 10 Customization Tutorials

    It's just a test to see if Explorer is tripping up on corrupt image files/ thumbnails.

    Also consider the following if you have a number of video files stored on your machine:

    Where are the Most Recently Used Lists? - Page 3 - Windows 7 Help Forums

    and this from the following post in that thread:

    But I tried out Media Preview anyway. And guess what? Besides seemingly working good, it allows Explorer to show thumbnails for .flv files. And I quickly discovered that it doesn't build a thumbnail for a corrupt file! It turns out I had a lot of corrupt .flv files!

    And it was a breeze deleting them all, too. I just set Explorer to show medium icons and deleted all that didn't have a preview thumbnail. Boom, done! So it turns out to also be a good tool for finding corrupt files, too.

    Before, I had to open each file and see if it would play in VLC or not, and delete the ones that didn't play. Obviously, very time consuming which is why I was so far behind in looking for corrupt video files.

    Explorer is known to slow down if it can't read corrupt media files or their thumbnails.
      My ComputerSystem Spec

  10. JohnBurns's Avatar
    Posts : 368
    Windows 10 1803 Build 17134.319
    Thread Starter
       03 Jan 2018 #20

    Thanks,Callender. So far I have Cleared cache, Turned of thumbnail previews, disabled auto folder template, and removed all videos files to an old ext disk. So far no luck. However, I seem to have found a workaround. If I put a shortcut for This PC on desktop.and initially open it (which is normal time) then leave it open minimized to the taskbar, it can be used to open normally Documents, Downloads, Pictures, Control Panel etc. As long as it is left open in the taskbar, minimized, all the others work ok too. But they still won't open from the menu (Classic Shell Start Menu). BTW Classic Shell has a a third party software shell extension, which was NOT installed on this pc, but do you suppose Start Menu might be causing the problem? I initially uninstalled Classic Shell and the problem was still there - maybe some remnants left? Appreciate all your help. Will run UVK as soon as I get time on the pc. Thanks.
      My ComputerSystem Spec

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