Configured Icon for pdf files is overridden seemingly by MS Edge.

Gavin Williams 801 Reputation points
2026-09-04T14:43:18.5833333+00:00

I used FileTypesMan to change icons for pdfs, it seemed to work for a couple of days, but today when I booted up, it has reverted to this...
Screenshot 2026-09-05 003924

FileTypesMan says this is the icon...

C:\Program Files (x86)\Microsoft\Edge\Application\152.0.4191.62\msedge.exe,11

Should I keep icons in a particular place when customizing? I would have thought Windows would make a copy of any selected icon and place it in the appropriate place automatically once assigned.

Why is this happening? And it shouldn't happen, I would consider this an issue with Windows. It looks to me like Windows needs a customization overhaul.

Windows for home | Windows 11 | Desktop, Start, and personalization | Themes
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  1. Ramesh 182K Reputation points Volunteer Moderator
    2026-09-04T16:40:50.5633333+00:00

    Hi Gavin,

    Microsoft Edge updater resets the .pdf icon registry settings. Please do the following:

    Customize the PDF icon using FileTypesMan.

    Then, open Command Prompt and run the following command:

    reg query HKEY_CLASSES_ROOT\MSEdgePDF\DefaultIcon
    

    Post the output here.

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  2. Horace Wiggins 535 Reputation points
    2026-09-07T21:13:44.02+00:00

    Did the icon you created have a .ico file name? Were you able to right click on the PDF file and select to change the icon? You would have to select a new icon to use.

    https://fileinfo.com/extension/ico

    https://fileinfo.com/

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