Windows 10: Clear and Reset Thumbnail Cache in Windows 10  

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  1.    05 Mar 2016 #10

    Ok, ok... I'll start with my initial problem. I generally use the mp4 video file on my computer, as it's simple. I downloaded a file onto my computer on a torrent app (not pirating, it's a project for my film course, a short film I made), and it was an icon, not a thumbnail. I tried a few apps to change this, such as Icaros and MetaX, but none worked. This was back in WIndows 8. I then went into a folder of mp4s, and all but 2 were icons now. I updated to Windows 10, and that folder was fixed. However, others began having the same problems. I found this .bat way to go on here. I just realised I did the second option twice, without prompts. Point is, first time I did it nothing changed, second time now everything is an icon. I did restart after both. I think there is a possibility the original file may have been corrupted in some way, though I could still play it. I have also uninstalled the torrent application. Some of these files are also m4v.

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    Each of my shorts have a poster I and a friend designed, and the thumbnails make it easier to identify quickly. The icons are irritating and I have OCD. If there's a way to reverse the .bat's effects, that may help firstly. Thanks for your help though, it really is appreciated,
      My ComputerSystem Spec

  2. Brink's Avatar
    Posts : 33,058
    64-bit Windows 10 Pro build 18252
    Thread Starter
       05 Mar 2016 #11

    The .bat files only affect the thumbnail cache. The icons appear to be from setting VLC Media Player as the default program for .mp4 files instead.

    If you like, you could download and merge the .reg file for the listed mp4 item in the table of OPTION TWO in the tutorial below to restore the default association of .mp4 files.

    Default File Type Associations - Restore in Windows 10 - Windows 10 Forums
      My ComputersSystem Spec

  3.    06 Mar 2016 #12

    Oh my god, thank you so much, that worked perfectly. There's no m4v option, but I can definitely live with that. Again, thank you, I've been trying various sites for a week and you're the only one that has given clear, working answers. You are a guru.
      My ComputerSystem Spec

  4. Brink's Avatar
    Posts : 33,058
    64-bit Windows 10 Pro build 18252
    Thread Starter
       06 Mar 2016 #13

    You're most welcome. I'm glad it could help. :)
      My ComputersSystem Spec

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