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Fix Firefox Secure Connection Failed DNS Error - How to Fix VS Code Source Control on Ubuntu-Fix Git 'index.lock' File Exists Error on Linux

Updated 2026-07-28 23:03:26windows-fixes
Fix Firefox Secure Connection Failed DNS Error - How to Fix VS Code Source Control on Ubuntu-Fix Git 'index.lock' File Exists Error on Linux
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.