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Fix Microsoft Store App Installation Errors on Mac - PowerShell Port Conflict with Firewall: How to Fix-Resolve Windows Defender Definition Update Mismatch

2026-06-14 14:22:30developer-tools
Fix Microsoft Store App Installation Errors on Mac - PowerShell Port Conflict with Firewall: How to Fix-Resolve Windows Defender Definition Update Mismatch

Final checklist

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