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Can't Install 2026-03 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5078885)

Nathan Elberts 0 Reputation points
2026-03-31T15:45:57.2366667+00:00

Install gets stuck at 100% then I get this error message

There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x80073701)

I've tried a bunch of command prompts, stopped it in service.msc.

Windows for home | Windows 10 | Windows update
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  1. David-M 112.1K Reputation points Independent Advisor
    2026-03-31T16:18:34.16+00:00

    Hi. I'm David, and I'm happy to help you.

    Please clarify the following:

    Do you have a third-party antivirus installed? If yes, which one?

    Also. What is the current "OS Build" of your Windows 11?

    • Press "Windows + R", type winver, and click OK.

    If you prefer, share a screenshot. Use the shortcut "Windows + Shift + S" to use the screenshot tool.

    Be sure to censor your email address if it appears. The Microsoft Q&A is public.

    Looking forward to your reply.

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