Fix Windows Security Virus Scan Slow Performance - How to Resolve PowerShell Token Expired 401-How to Fix High Memory Usage by cmd.exe

Updated 2026-06-13 17:52:15office-tools
Fix Windows Security Virus Scan Slow Performance - How to Resolve PowerShell Token Expired 401-How to Fix High Memory Usage by cmd.exe
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.