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Fixing 'cargo build' Failures from Missing Dependencies - How to Fix Port Already Allocated Error in Windows Defender-Command Prompt Output Not Showing: How to Fix

2026-06-16 08:54:08developer-tools
Fixing 'cargo build' Failures from Missing Dependencies - How to Fix Port Already Allocated Error in Windows Defender-Command Prompt Output Not Showing: How to Fix

Final checklist

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