Fix Outlook High Memory Usage & Error 0x80040600 - How to Fix Blank PowerShell Window After Update-Resolve Windows Terminal Token Expired Error

Updated 2026-06-14 06:28:26security-tools
Fix Outlook High Memory Usage & Error 0x80040600 - How to Fix Blank PowerShell Window After Update-Resolve Windows Terminal Token Expired Error
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.