Windows Update Error 0x80070643 for Windows Defender

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  1. Posts : 22
    Windows 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 Computer

  2. Posts : 2
    Windows 10 Home 64 Bit

    All seems to be back to normal for me as of this morning. tried initiating an update three times over the course of the past hour, all requests were processed with no errors.
      My Computer

  3. Posts : 187
    Windows 10

    Yay! It seems fixed. :)
      My Computer

  4. Posts : 149
    Windows 10 Pro x64
    Thread Starter

    Tested latest update(s) and all appears to be working as it should. Thanks to Jason Yim and the WD Team. Marking this as solved.
      My Computer


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