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Firefox Profile Missing Troubleshooting Checklist - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-WireGuard Handshake Not Completing – Windows Fix

Updated 2026-06-13 13:00:57developer-tools
Firefox Profile Missing Troubleshooting Checklist - Nginx 502 Bad Gateway: A Practical Troubleshooting Guide-WireGuard Handshake Not Completing – Windows Fix
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.