Windows 10: Defender update loop

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  1.    04 Apr 2017 #1

    Defender update loop


    I keep getting this update failure for Defender: Definition Update for Windows Defender - KB2267602 (Definition 1.239.797.0) - Error 0x80070643

    I used to be able to update Defender manually and then recheck the "update/security" of all settings and it would come back clean.

    Anybody have any idea why this is happening and how to resolve it? Going on 3 days now and it's starting to piss me off.
      My ComputerSystem Spec

  2. Brink's Avatar
    Posts : 32,286
    64-bit Windows 10 Pro build 18242
       04 Apr 2017 #2

    Hello Plankton, :)

    To get your machine back to a protected state, you can manually download and apply the latest Windows Defender definition update by following the instructions outlined here:

    Get the latest definitions - Microsoft Malware Protection Center
    Last edited by Brink; 04 Apr 2017 at 17:52.
      My ComputersSystem Spec

  3.    04 Apr 2017 #3

    Thanks...I'll give that a go.
      My ComputerSystem Spec

  4.    04 Apr 2017 #4

    It's an issue that MS is going to fix:

    http://www.thewindowsclub.com/window...tes-0x80070643
      My ComputerSystem Spec

  5.    04 Apr 2017 #5

    Thanks bobby (Hill)....lol. I've sent in a feedback report on it. In the meantime I just decided to go with a free AV until it's fixed or I'll wait until the creators Update is released and just do a clean install with that. Nothing like starting from scratch.
      My ComputerSystem Spec

  6. Bree's Avatar
    Posts : 8,578
    10 Home x64 (1803) (10 Pro on 2nd pc)
       04 Apr 2017 #6

    Bobby Phoenix said: View Post
    It's an issue that MS is going to fix...
    @jyim89, one of the ' Microsoft Windows Defender Team' has registered on TenForums to let us know...
    https://www.tenforums.com/search.php?searchid=2017824
    ...and to ask for our logs to help them diagnose the problem.
    Windows 10 Update March 31 2017
      My ComputersSystem Spec

  7.    04 Apr 2017 #7

    Thanks Bree....I PM'd jyim89 as requested in that 2nd link. The first link is broken, all I get is "sorry no matches. Please try some different terms"
      My ComputerSystem Spec


  8. Posts : 22
    Windows 10
       04 Apr 2017 #8

    Plankton said: View Post
    Thanks Bree....I PM'd jyim89 as requested in that 2nd link. The first link is broken, all I get is "sorry no matches. Please try some different terms"
    Thanks for your PM. Since I'm new to the forums I cannot directly respond back to you. We don't need any more logs at this point. We are working as quickly as we can to get a fix out. Meanwhile please manually obtain the latest definition update from following the instructions outlined on this link: Get the latest definitions - Microsoft Malware Protection Center.
    Please keep in mind these manual updates run silently so you can verify you have updated through the Defender client UI.
      My ComputerSystem Spec

  9. Farvatten's Avatar
    Posts : 35
    Windows 10 Pro 64bit 1803 17134.254
       04 Apr 2017 #9

    This fixed the issue for me...


    Brink said: View Post
    Hello Plankton, :)

    To get your machine back to a protected state, you can manually download and apply the latest Windows Defender definition update by following the instructions outlined here:

    Get the latest definitions - Microsoft Malware Protection Center
    I got into this WD Update loop today after today's 'Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB4015438)' on both desktop and laptop.

    After a successful manual WD update, it now says, 'Your device is up to date. Last checked: Today, ‏‎3:10 PM'

    Thanks Brink!
      My ComputersSystem Spec


  10. Posts : 22
    Windows 10
       05 Apr 2017 #10

    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.
      My ComputerSystem Spec


 
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