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Fix Firefox Not Responding After Update: Practical Steps - How to Fix 'repository not found' When Adding Git Remote-Fix Windows Defender Invalid Configuration Permission Denied

2026-06-13 12:39:49windows-fixes
Fix Firefox Not Responding After Update: Practical Steps - How to Fix 'repository not found' When Adding Git Remote-Fix Windows Defender Invalid Configuration Permission Denied

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.