必应池
Home / developer-tools / How to Fix Cloudflare 521 Error During Setup - Fix Chrome Certificate Error: Invalid Authority SSL Certificate-How to Resolve VS Code Permission Denied (Code 13)

How to Fix Cloudflare 521 Error During Setup - Fix Chrome Certificate Error: Invalid Authority SSL Certificate-How to Resolve VS Code Permission Denied (Code 13)

Updated 2026-07-28 07:05:45developer-tools
How to Fix Cloudflare 521 Error During Setup - Fix Chrome Certificate Error: Invalid Authority SSL Certificate-How to Resolve VS Code Permission Denied (Code 13)
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.