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File explorer: PDF's preview showing "INDEX OF" in network folders

Anonymous
2022-03-07T17:03:43+00:00

Hi,

This issue started today at work on several computers on both Windows 11 and Windows 10. Could it be related to a recent Windows update?

Pdf files (and only PDF's) previews aren't working in any network folders, Instead of showing the file preview it shows "INDEX OF:"

Previews work normally for excel, word, etc.

Weird stuff.

Windows for home | Windows 11 | Files, folders, and storage

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  1. Ramesh 176.1K Reputation points Volunteer Moderator
    2022-05-24T16:14:14+00:00

    Thanks for the Repair suggestion, much easier than editing registries and it WORKED!!! You are AWESOME!

    FYI, the next Edge update will automatically revert the setting anyway.

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  2. Anonymous
    2022-05-24T15:43:13+00:00

    Thanks for the Repair suggestion, much easier than editing registries and it WORKED!!! You are AWESOME!

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  3. Anonymous
    2022-04-19T16:21:09+00:00

    You must've hit it right on the nose! All my documents start with a # sign.

    Now I have to figure out how to handle this, I guess I'll have to uninstall the recent updates because I wasn't having an issue before at all and I really need to keep the number system.

    Thanks again for all your assistance, you are appreciated.

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  4. Anonymous
    2022-04-11T22:27:57+00:00

    Thank you for the fix, but can you put this in "easy terms" for me?

    in other words, how do I go to .bat script?

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  5. Anonymous
    2022-03-07T18:26:24+00:00

    Hi, my name is Anderson Souza, I hope I can help you with your issue.

    How is the distribution of updates done there in your company? Does each machine update itself directly from the Internet or do you use WSUS? I recommend that you check for the latest update applied on one of the workstations and remove it to test if this may have actually been the case, as it happened on several machines at the same time, this is very likely the problem.

    You can go to Start > Settings > Update & Security > "View update history" to check the updates applied to your system just before the issue starts to happen.

    Note that there are several update categories that can be expanded or collapsed by clicking the arrows on the left side of each one (Feature Updates, Quality Updates, Driver Updates, etc).

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