Fix 'Windows Defender Failed to Start Due to Group Policy' Error - Remote Desktop Error Code 0x104 Solutions-Troubleshoot Windows Security Loading Issues

Updated 2026-06-14 01:33:48security-tools
Fix 'Windows Defender Failed to Start Due to Group Policy' Error - Remote Desktop Error Code 0x104 Solutions-Troubleshoot Windows Security Loading Issues
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.