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Fix 'powershell not recognized as internal or external command' - Resolve Windows Defender Not Opening (Error 404)-How to Resolve OneDrive SSL Certificate Expired

2026-06-14 02:08:37cloud-software
Fix 'powershell not recognized as internal or external command' - Resolve Windows Defender Not Opening (Error 404)-How to Resolve OneDrive SSL Certificate Expired

Final checklist

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