Fix Windows Update Error 0x80070005 with a Clean Boot - Resolve DNS_PROBE_FINISHED_NXDOMAIN in Microsoft Edge-Nginx Upstream Connection Refused: Causes and Fixes

Updated 2026-07-28 12:54:38office-tools
Fix Windows Update Error 0x80070005 with a Clean Boot - Resolve DNS_PROBE_FINISHED_NXDOMAIN in Microsoft Edge-Nginx Upstream Connection Refused: Causes and Fixes
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.