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Fix Remote Desktop Black Screen After Login - Resolve 502 Bad Gateway on Windows Update via DNS-Resolve Windows Security Network Reset Connection Refused

Updated 2026-06-13 15:14:33office-tools
Fix Remote Desktop Black Screen After Login - Resolve 502 Bad Gateway on Windows Update via DNS-Resolve Windows Security Network Reset Connection Refused
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.