Fix PowerShell Command Not Found After Windows Update - Fix Windows Defender Permission Denied on Scan-Outlook Modern Authentication Token Expired: Solutions

Updated 2026-06-14 00:32:39cloud-software
Fix PowerShell Command Not Found After Windows Update - Fix Windows Defender Permission Denied on Scan-Outlook Modern Authentication Token Expired: Solutions
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.