Windows 8 and 8.1 Forums


W8 keeps deleting thumbnail cache (changed folder permission)

  1. #71


    Posts : 32
    Arch x64 / Windows 8.1 Pro x64


    That would sound like something else is locking your thumbnails.

    Do you know how to use Unlocker to see what it is?

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  2. #72


    Posts : 6
    Windows 8.1


    Quote Originally Posted by Det87 View Post
    That would sound like something else is locking your thumbnails.

    Do you know how to use Unlocker to see what it is?
    I tried, and it said that no locking handle was found for the Explorer folder. Also, when I copy and paste the code into Command without the description, I get a different message:
    Click image for larger version
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  3. #73


    Posts : 32
    Arch x64 / Windows 8.1 Pro x64


    So what do your Explorer and Explorer - Copy folders look like in C:\Users\Raiden\AppData\Local\Microsoft\Windows\?
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  4. #74


    Posts : 6
    Windows 8.1


    They look the same as always. I'm wondering if it has anything to do with the fact that I always hibernate my computer and never really shut it down unless it needs to update or be taken apart.
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  5. #75


    Posts : 32
    Arch x64 / Windows 8.1 Pro x64


    Just noticed that that last time you didn't cd to the directory first, which made it say "file not found".

    Are you able to copy the files after temporarily closing all spare apps (including anti-virus)?

    E: You responded a little too quickly .
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  6. #76


    Posts : 6
    Windows 8.1


    Yep, I can.
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  7. #77


    I found that for some reason many of my thumbnails would still be empty, even though the cache itself was restored. The size is around 600MB. I think there might be an upper limit of how many thumbnails you can have, regardless of the size of the thumbnail cache.
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  8. #78


    Posts : 32
    Arch x64 / Windows 8.1 Pro x64


    "Still empty"? Do you mean they were empty even before restoring the cache (corrupt files, etc.)? I'm currently at 350 MB.
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  9. #79


    No, I mean there were there before restoring the cache. As I build up and back up the cache (the cache size increases), I should have all the thumbnails that have been previously saved. However, sometimes when Windows reset the cache and I run restore.bat, some folders that previously had the thumbnails, are now empty. Sometimes it happens that a folder would have to rebuild stretches of thumbnails, even though the files all had the thumbnails in the past. I feel like there is a hard limit to the number of thumbnails. I'm just guessing here, but for example windows only allows for 5000 thumbnails, so the earliest-built thumbnails would get deleted when you start making building thumbnails beyond 5000. But I don't really know what's going on.
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  10. #80


    Ok I tested this and I think it's happening. I have a folder of around 20,000 pictures. I have the first 100 or so "screens" (folder maximized and all the thumbnails I see count as one screen, then I pagedown) in thumbnailed. When I keep going, the thumbnails from the previous screens disappeared and have to be rebuilt. I also noticed that my explorer folder stays at 602MB even though I have added multiple screens (lots of thumbnails). So it's not adding new thumbnails, but replacing old ones?
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W8 keeps deleting thumbnail cache (changed folder permission)
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