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Fix 'Port Already Allocated' Error in Visual Studio Code - SSH Known Hosts Key Mismatch Troubleshooting-Fix Windows Update Error 0x800f081f for Offline Install

2026-06-13 19:06:24developer-tools
Fix 'Port Already Allocated' Error in Visual Studio Code - SSH Known Hosts Key Mismatch Troubleshooting-Fix Windows Update Error 0x800f081f for Offline Install

Final checklist

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