Fix Windows Terminal High CPU Usage and Sync Issues - Fix Windows Update Authentication Failed Due to Group Policy-Windows Defender Keeps Restarting – Troubleshooting Guide

Updated 2026-06-13 22:00:23office-tools
Fix Windows Terminal High CPU Usage and Sync Issues - Fix Windows Update Authentication Failed Due to Group Policy-Windows Defender Keeps Restarting – Troubleshooting Guide
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.