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Home / windows-fixes / Using Windows Defender on Ubuntu: What Actually Works - Fix Remote Desktop Auto-Start with Registry Edit-Windows Update Error 0x80070643: Quick Fix Guide

Using Windows Defender on Ubuntu: What Actually Works - Fix Remote Desktop Auto-Start with Registry Edit-Windows Update Error 0x80070643: Quick Fix Guide

Updated 2026-06-16 00:08:56windows-fixes
Using Windows Defender on Ubuntu: What Actually Works - Fix Remote Desktop Auto-Start with Registry Edit-Windows Update Error 0x80070643: Quick Fix Guide
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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