Windows 10: 0x80070643 error code - Windows Defender

Discus and support 0x80070643 error code - Windows Defender in Windows 10 Installation and Upgrade to solve the problem; Just received this error tonight, after searching for 30 minutes found this linkhttps://www.microsoft.com/en-us/wdsi/defenderupdates which help me... Discussion in 'Windows 10 Installation and Upgrade' started by MICHAELBYRNE777, May 5, 2021.

  1. MICHAELBYRNE777
    MICHAELBYRNE777 Win User

    0x80070643 error code - Windows Defender


    Just received this error tonight, after searching for 30 minutes found this linkhttps://www.microsoft.com/en-us/wdsi/defenderupdates which help me solved it.I'm expecting others to soon have this error as well. So it's not really a question, but a possible solution for others.

    :)
     
    MICHAELBYRNE777, May 5, 2021
    #1
  2. JUANS
    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, May 5, 2021
    #2
  3. JYIM89
    jyim89 Win User
    jyim89, May 5, 2021
    #3
  4. PAULMSATZ
    paulmsatz Win User

    0x80070643 error code - Windows Defender

    Error code 0x80070643 Defender

    I keep getting an error code 0x80070643 when an update relating to Winders Defender is attempted to be installed. I do not use Defender (use Kaspersky). How can I get this update to install or can I delete it?
     
    paulmsatz, May 5, 2021
    #4
Thema:

0x80070643 error code - Windows Defender

Loading...

  1. 0x80070643 error code - Windows Defender - Similar Threads - 0x80070643 error code

  2. Error Code 0x80070643

    in Windows 10 Gaming
    Error Code 0x80070643: Okay, many seem to be having this problem code. Mine comes from three NET Updates: .NET5.0.10, ,NET 5.0.8, an .NET Core 3.1.17. All will show 100% download, then Installing and then I get Retry on all r=three. If these are Windows 11 Updates, then Windows 10 has F=a FUBAR,...

  3. Windows defender will not update Error 0x80070643

    in Windows 10 Installation and Upgrade
    Windows defender will not update Error 0x80070643: Windows Defender will not update Error0x80070643 https://answers.microsoft.com/en-us/windows/forum/all/windows-defender-will-not-update-error-0x80070643/67cccb68-3fad-4f36-a107-1330db242035

  4. Windows Defender and Update Errors 0x80070643 and 0x80070643

    in AntiVirus, Firewalls and System Security
    Windows Defender and Update Errors 0x80070643 and 0x80070643: Hello, A couple of days ago, I turned on my PC and realized that there was a red "x" on the Windows Defender Logo. Windows Defender was turned off and after I tried to turn it on by clicking "restart now" button, it said "Unexpected error. Sorry, we run into a problem....

  5. Error Code: 0x80070643 (Windows Defender can't install definition updates)...

    in AntiVirus, Firewalls and System Security
    Error Code: 0x80070643 (Windows Defender can't install definition updates)...: hi , I continue to receive a message that Windows Defender can not install the definition updates Error Code: 0x80070643 (Windows Defender can't install definition updates) the solutions below did not solve the problem I try to repair NET Framework I try...

  6. error code 0x80070643

    in Windows 10 Installation and Upgrade
    error code 0x80070643: Why are all the answers locked so I can't see the GD answers to my problem? https://answers.microsoft.com/en-us/windows/forum/all/error-code-0x80070643/75dfc903-1c29-4e8a-a80f-8f7ccaa4bff8

  7. On Windows Defender Definition Update error 0x80070643

    in AntiVirus, Firewalls and System Security
    On Windows Defender Definition Update error 0x80070643: Update 4/5/2017 4:00AM pst: Please update to the latest threat definition version (1.239.837.0 or higher) via Windows Update or the Windows Defender Client UI. If you are still experiencing the same 0x80070643 behavior, we recommend doing one final manual update with the...

  8. On Windows Defender Definition Update error 0x80070643

    in Windows 10 Updates and Activation
    On Windows Defender Definition Update error 0x80070643: Update 4/5/2017 4:00AM pst: Please update to the latest threat definition version (1.239.837.0 or higher) via Windows Update or the Windows Defender Client UI. If you are still experiencing the same 0x80070643 behavior, we recommend doing one final manual update with the...

  9. 0x80070643 Error when updating Windows Defender

    in Windows 10 Updates and Activation
    0x80070643 Error when updating Windows Defender: Have had this error for a couple days now. Tried regular checks to verify system components and online image and windows update service diagnostics, cleaned up SoftwareDistribution, turned off non-Microsoft auto starting services, - all to no avail. Also, ran...

  10. Windows Update Error 0x80070643 for Windows Defender

    in Windows 10 Updates and Activation
    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...