Windows 10: Windows Defender error update - 0x80070643

Discus and support Windows Defender error update - 0x80070643 in Windows 10 Software and Apps to solve the problem; When I update my computer, this error in the windows defender. I don't update, but the error when i go update is 0x80070643.... Discussion in 'Windows 10 Software and Apps' started by Венцислав Желев, Jan 10, 2024.

  1. Windows Defender error update - 0x80070643


    When I update my computer, this error in the windows defender. I don't update, but the error when i go update is 0x80070643.

    :)
     
    Венцислав Желев, Jan 10, 2024
    #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, Jan 10, 2024
    #2
  3. marsmimar Win User
    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 error update - 0x80070643 128042d1491242037t-windows-update-error-0x80070643-windows-defender-defender-1.jpg

    Windows Defender error update - 0x80070643 128043d1491242037t-windows-update-error-0x80070643-windows-defender-defender-2.jpg

    Windows Defender error update - 0x80070643 128044d1491242037t-windows-update-error-0x80070643-windows-defender-defender-3.jpg
     
    marsmimar, Jan 10, 2024
    #3
  4. Juans Win User

    Windows Defender error update - 0x80070643

    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, Jan 10, 2024
    #4
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Windows Defender error update - 0x80070643

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