Windows defender update fails.

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  1. Posts : 500
    windows 10 (x64) Home 20H2 19042.844
       #1

    Windows defender update fails.


    I got error like this.
    There were problems installing some updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help:
    . Definition Update for Windows Defender Antivirus - KB2267602 (Definition 1.259.206.0) - Error 0x80070643
    I searched in the net. I uninstalled malwarebytes and ran sfc /scannow. It did not show any error. I deletedall files and folders in windows/softwaredistribution/download.
    Then ran update. Still I get same error.
    what to do?
      My Computer


  2. Posts : 8
    windows 10
       #2

    I have exactly the same problem. Yesterday I did a clean install on Windows 10. Updated everything fine and today I have this error. I got some other updates with no problem so I think its a corrupted definitions update from Microsoft
      My Computer


  3. Posts : 386
    Windows 10 Pro
       #3

    I have the same issue.
      My Computer


  4. Posts : 1
    Windows 10
       #4

    I'm getting it this morning on a "brand new" Win 10 Pro refurb system I'm setting up. None of the tricks I've tried that used to work for this error, are working this time.
      My Computer


  5. Posts : 65
    Windows 10 64
       #5

    Same issue here dudes, seems like MS screwed up big this time lol.

    Tried all things i can think of but nothing works.. I guess its time for Windows to make an update to make Windows update work again lmao.
      My Computer


  6. Posts : 386
    Windows 10 Pro
       #6

    Strange. There's another definition update that installed on my Dad's pc fine so I checked and there is one ending .218 I think. That won't install either. Anybody else having that?
      My Computer


  7. Posts : 17
    Windows 10 Educational 64 bit
       #7

    Same here.
      My Computer


  8. Posts : 182
    Windows 10 Pro-21H-19043.985
       #8

    This 'didn't install-try again later' appeared in my updating window this morning. The current version is 1.259.156 the version that is supposed to install is 1.259.206. This stand alone file is available at the MajorGeeks
    Download Windows Defender Definition Updates - MajorGeeks
    I downloaded but hesitated to install and now I see opinion that it could be a MS screwup so I'll just wait.
      My Computers


  9. Posts : 386
    Windows 10 Pro
       #9

    Won't install definition update ending .218 either
      My Computer


  10. Posts : 8
    windows 10
       #10

    I just tried windows update again and there are some new updates and definition is now 1.259.218.0. Ill tell u if its fixed after I am done with the update
      My Computer


 

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