Microsoft Defender Anti-Malware/Platform Update Kit for Windows 11 (Updated: September 22nd, 2026)

Discussion in 'Windows 11' started by steven4554, Jul 3, 2021.

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Should I drop the arm64 defender cabs for both Windows 10 and 11?

Poll closed Oct 7, 2023.

  1. Yes

    32 vote(s)
    43.8%

  2. No

    12 vote(s)
    16.4%

  3. Maybe/Don't Know

    29 vote(s)
    39.7%
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  1. atplsx

    atplsx MDL Addicted

    May 11, 2009
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    #481 atplsx, Sep 7, 2026
  2. steven4554

    steven4554 MDL Expert

    Jul 12, 2009
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    #482 steven4554, Sep 7, 2026 (OP)
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  3. atplsx

    atplsx MDL Addicted

    May 11, 2009
    786
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    #483 atplsx, Sep 9, 2026
  4. atplsx

    atplsx MDL Addicted

    May 11, 2009
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    #484 atplsx, Sep 16, 2026
  5. misal1337

    misal1337 MDL Novice

    Aug 12, 2026
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    #485 misal1337, Sep 18, 2026 at 06:58
    Defender complains about turning it on on every boot. Is it package issue or another Vibe Coding bug ?
     
  6. shhnedo

    shhnedo MDL Guru

    Mar 20, 2011
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    #486 shhnedo, Sep 18, 2026 at 08:17
  7. steven4554

    steven4554 MDL Expert

    Jul 12, 2009
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    #487 steven4554, Sep 18, 2026 at 08:17
    Last edited: Sep 18, 2026 at 10:46
    (OP)
    It's a Defender bug, which MS has fixed with the latest platform update 4.18.26080.4, released on September 17th, 2026. More info in post below.
     
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  8. Spooks in Space

    Spooks in Space MDL Novice

    Jan 5, 2026
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    #488 Spooks in Space, Sep 18, 2026 at 10:30
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