This is part 2 of “Fixing Windows 10 Update Error 0x800705b4”.

If this is the first time you are trying to troubleshoot this error I strongly suggest that you start at part 1.

Originally I thought merging the two parts into one, which resulted too long post.

Credit: The credit for the approach goes to Niek who was king enough to outline it in a comment at part 1.

Ready? Here we go!

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If you have gotten this far,
I assume that the standard method of deselecting “get updates for other Microsoft products when you updates windows” did not work for you.

As an advanced troubleshooting step, you should now try to disable temporarily disable Windows Defender and restart the update process,
to do so:

  1. Click on the Search Windows icon next to the Start Menu icon and type defender.
  2. When the Windows Defender windows pops up, click on Settings.

You should now see the following Windows Defender settings window.

  1. Switch off the “Real-time protection option” option by clicking on the on-off toggle.
  2. Switch off the “Cloud-based Protection” option by clicking on the on-off toggle.
  3. Close the settings window.
  4. The windows Defender app window should now appear in red.

Now, go over all the steps listed in part #1. Hopefully the update process will be successful now.

Now it is time to turn Windows Defender back on.

  1. Once again open Windows Defender, and click on the settings button.
  2. This time switch both real-time and cloud-based protection to on.
  3. The windows Defender app window should now appear in green.

I hope that by following the steps described in this part, or in part #1,
you were able to fix Windows 10 Update Error 0x800705b4, and successfully install the updates.

As always,
you are more than welcome to share your experience in a comment.

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