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Setup Environment Variables to Fix Command Not Found - Resolve PowerShell 404 with Invoke-WebRequest-Resolve Outlook Service Unavailable Error Even in Safe Mode

2026-06-14 04:12:16developer-tools
Setup Environment Variables to Fix Command Not Found - Resolve PowerShell 404 with Invoke-WebRequest-Resolve Outlook Service Unavailable Error Even in Safe Mode

Final checklist

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