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Fix Windows Update Service Not Running Due to Group Policy - Resolve Docker 'Network Not Found' Error When Network Exists-Troubleshooting Nginx Upstream Connection Refused Port 80

Updated 2026-07-28 15:47:00browser-issues
Fix Windows Update Service Not Running Due to Group Policy - Resolve Docker 'Network Not Found' Error When Network Exists-Troubleshooting Nginx Upstream Connection Refused Port 80
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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