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Fixing Nginx Upstream Connection Refused on Port 443 - Troubleshoot NET::ERR_CERT_AUTHORITY_INVALID in Chrome and Edge-DISM Guide to Fix Error 0x80070002

Updated 2026-07-28 06:36:18developer-tools
Fixing Nginx Upstream Connection Refused on Port 443 - Troubleshoot NET::ERR_CERT_AUTHORITY_INVALID in Chrome and Edge-DISM Guide to Fix Error 0x80070002
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.