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Fix 'Port Already Allocated' Error in Windows Defender - Microsoft Store Permission Denied Startup Fix-PowerShell Invoke-WebRequest 502 Error Troubleshooting

2026-06-13 18:58:00
Fix 'Port Already Allocated' Error in Windows Defender - Microsoft Store Permission Denied Startup Fix-PowerShell Invoke-WebRequest 502 Error Troubleshooting

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.