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Fix Chrome Certificate Error Invalid Authority on Mac - Resolve ERR_CONNECTION_RESET by Resetting Proxy Settings-Cloudflare 521 Error: How to Fix Server Timeout

Updated 2026-07-28 16:23:10office-tools
Fix Chrome Certificate Error Invalid Authority on Mac - Resolve ERR_CONNECTION_RESET by Resetting Proxy Settings-Cloudflare 521 Error: How to Fix Server Timeout
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.