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ALL Open App Windows randomly minimising after installing KB5083631

Guy Riddle 20 Reputation points
2026-05-03T05:02:14.5566667+00:00

I have Windows 11 PRO (25H2 Bld-26200.8328)

Windows Update installed KB5083631 (2026-04 Preview Update) yesterday - and now, very annoyingly, ALL open APP Windows just randomly minimise together just revealing desktops.

I have a Surface PRO laptop with a 2nd connected monitor (via a Surface Thunderbolt 4 dock). Absolutely no issues prior to this update being applied.

Anyone else experiencing this (or have any resolution suggestions). Otherwise I will see if I can remove it.

Thanks.

(and this screen has minimised 4 times just trying to write this text)

Surface | Surface Laptop | Install and update
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Answer accepted by question author

  1. S.Sengupta 30,501 Reputation points MVP Volunteer Moderator
    2026-05-03T13:42:31.4533333+00:00

    So far there is no known issues (like which you referred) with the KB5083631 (2026-04 Preview Update).

    This is the quickest way to confirm it’s the cause.

    Go to:

    Settings → Windows Update → Update history → Uninstall updates

    Remove: KB5083631

    Restart

    See if the issue disappears

    Also:

    Go to:

    Settings → System → Multitasking

    Turn OFF: “Title bar window shake”

    1 person found this answer helpful.
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