Fix Windows Defender High CPU Usage on Windows 11 - SLMgr Error Path Not Found Troubleshooting-OneDrive Authentication Failed – Error 0x8004de40 Troubleshooting

Updated 2026-06-15 01:06:51cloud-software
Fix Windows Defender High CPU Usage on Windows 11 - SLMgr Error Path Not Found Troubleshooting-OneDrive Authentication Failed – Error 0x8004de40 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.