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Firefox Profile Missing Troubleshooting Checklist - Troubleshoot Windows Security Blank Screen Safe Mode-How to Resolve Extension Host Failure in VS Code

Updated 2026-06-14 02:17:23browser-issues
Firefox Profile Missing Troubleshooting Checklist - Troubleshoot Windows Security Blank Screen Safe Mode-How to Resolve Extension Host Failure in VS Code
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.