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Editorial Team
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Asked: 2026-05-31T14:24:03+00:00

Sometimes I can’t delete a folder, because it contains thumbs.db . I have a

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Sometimes I can’t delete a folder, because it contains thumbs.db. I have a lot of folders (which contain images too) and I will need to move them to a different place and delete the original folder. But I am getting this error: the folder can’t be deleted because "thumbs.db" is being used by another process.
Moving and deleting is made in c#, and right now it skips deleting the folders that have thumbs.db, which will result in a lot of empty folders. Is there a way to delete the folder even if it has that file?

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1 Answer

  1. Editorial Team

    am submitting my comment as an answer because it is much more readable this way:

    You can switch off a creation of these files:
    in Registry Editor go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
    and set NoThumbnailCache entry’s value to 1.

    If you don’t have this entry , just create it (DWORD 32).

    For Win 7 Ultimate/Professional version:
    HKEY_CURRENT_USER\Software\Microsoft\ Windows\CurrentVersion\Explorer\Advanced

    DisableThumbnailCache (DWORD also)

    To delete all already existing files create a batch file with the following content:

    cd c:\

del /s /q thumbs.db

    and run it as administrator

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