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How to Fix Nginx Upstream Connection Refused on Port 80 - How to Make Python Work in Command Prompt from Anaconda-Mac Chrome NET::ERR_CERT_AUTHORITY_INVALID Solution

Updated 2026-07-28 13:05:30office-tools
How to Fix Nginx Upstream Connection Refused on Port 80 - How to Make Python Work in Command Prompt from Anaconda-Mac Chrome NET::ERR_CERT_AUTHORITY_INVALID Solution
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.

More repair notes

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