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Fix VSCode Terminal Not Opening with Python - Fix NET::ERR_CERT_AUTHORITY_INVALID by Clearing Chrome Certificate Cache-Troubleshooting Cloudflare 521 Error: Port 443 Blocked

Updated 2026-07-28 08:42:44cloud-software
Fix VSCode Terminal Not Opening with Python - Fix NET::ERR_CERT_AUTHORITY_INVALID by Clearing Chrome Certificate Cache-Troubleshooting Cloudflare 521 Error: Port 443 Blocked
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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