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Fix PowerShell Port Already Allocated Error When Port Is Free - Resolve Permission Denied in Command Prompt-Windows Activation Server Error 502 Checklist

2026-06-13 20:05:49windows-fixes
Fix PowerShell Port Already Allocated Error When Port Is Free - Resolve Permission Denied in Command Prompt-Windows Activation Server Error 502 Checklist

Final checklist

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

More checklist guides

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