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KB5071546 breaks explorer

Marty 0 Reputation points
2025-12-11T09:55:16.23+00:00

Just recieved KB5071546 and it breaks explorer.exe. It won't start. From task manager, all programs can be started perfectly happily, except explorer.exe which opens for a split second and then closes (crashes, I suppose).

Can someone at Microsoft please pull out this update ASAP and have MS release a fixed version in the next update round?

Windows for home | Windows 10 | Windows update
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  1. John DeV 152.9K Reputation points Independent Advisor
    2025-12-11T10:28:49.4633333+00:00

    Hi, good day!

    I recommend reporting the issue via Feedback Hub app to notify Microsoft.

    https://support.microsoft.com/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332

    Please try to uninstall the problematic update.

    https://support.microsoft.com/windows/how-to-uninstall-a-windows-update-c77b8f9b-e4dc-4e9f-a803-fdec12e59fb0

    Once uninstalled, please try pausing updates for 1-2 weeks to avoid reinstalling the problematic update.

    https://support.microsoft.com/windows/pause-updates-in-windows-643e9ea7-3cf6-7da6-a25c-95d4f7f099fe

    I look forward to receiving your update and I'm willing to collaborate with you till we resolve the issue. Do keep me informed by clicking "Add comment" below.

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