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Fix 'Permission Denied' in VS Code Terminal - How to Resolve Nginx 502 Error with Docker and Load Balancer-Fix 521 Origin Connection Error After Server Update

Updated 2026-07-28 04:24:16windows-fixes
Fix 'Permission Denied' in VS Code Terminal - How to Resolve Nginx 502 Error with Docker and Load Balancer-Fix 521 Origin Connection Error After Server Update
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.

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