Windows 10: Windows defender will not update Error 0x80070643

Discus and support Windows defender will not update Error 0x80070643 in Windows 10 Installation and Upgrade to solve the problem; Windows Defender will not update Error0x80070643... Discussion in 'Windows 10 Installation and Upgrade' started by RoyAF39, Jun 20, 2020.

  1. RoyAF39 Win User

    Windows defender will not update Error 0x80070643


    Windows Defender will not update Error0x80070643

    :)
     
    RoyAF39, Jun 20, 2020
    #1
  2. jyim89 Win User

    Windows Update Error 0x80070643 for Windows Defender

    For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.
     
    jyim89, Jun 20, 2020
    #2
  3. Juans Win User
    Windows Defender Antivirus - KB4052623 4.18.1910.4 - Error 0x80070643

    Hi everyone, I have again the same error 0x80070643 updating windows defender antivirus platform. Now with sfc /scannow and dism i don't found errors. Any suggestions? Thanks
     
    Juans, Jun 20, 2020
    #3
  4. marsmimar Win User

    Windows defender will not update Error 0x80070643

    Windows Update Error 0x80070643 for Windows Defender

    Still having issues updating Windows Defender as of 4/3/17, 12:30pm CDT on 10 Pro winver 14393.969 . Windows Update shows Error 0x80070643 but manual update via Defender GUI installed latest virus/spyware definition 1.239.713.0. Re-running Window Update shows everything is up to date.

    It's been at least 4 days since this glitch first appeared on my machines. Any thoughts on why Microsoft is delaying a fix? Perhaps to include in next Patch Tuesday 4/11?


    Windows defender will not update Error 0x80070643 [​IMG]

    Windows defender will not update Error 0x80070643 [​IMG]

    Windows defender will not update Error 0x80070643 [​IMG]
     
    marsmimar, Jun 20, 2020
    #4
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Windows defender will not update Error 0x80070643

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