Manually update Windows Defender to fix update failures KB2267602 (Definition 1.213.6196.0) – Error 0x80070643

On a few of my Windows 10 computers, Windows Defender was failing to update properly through Windows Update.  I found that you can manually update Windows Defender using this command from a terminal window:

I found this instruction in the comments of this post: https://answers.microsoft.com/en-us/protect/forum/protect_defender-protect_updating/definition-update-for-windows-defender-kb2267602/d0d06c7a-fd70-4f27-94a6-9320d8114768

3 thoughts on “Manually update Windows Defender to fix update failures KB2267602 (Definition 1.213.6196.0) – Error 0x80070643”

  1. It blows my mind that the fix is that easy and yet they can’t just run that command in the UI that does the updates. Instead they inconvenience and slow down thousands of customers putting a drag on productivity all over the world’

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