How to Fix Windows Defender High CPU Usage - Check If Your Windows License Is Retail or OEM-BitLocker Rate Limit Group Policy Troubleshooting

Updated 2026-06-14 19:40:05backup-recovery
How to Fix Windows Defender High CPU Usage - Check If Your Windows License Is Retail or OEM-BitLocker Rate Limit Group Policy Troubleshooting
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.