Fix Windows Defender Service Not Starting (Error 404) - Microsoft Store Stuck in Login Loop-Remote Desktop Rate Limit Error Checklist

Updated 2026-06-15 18:57:53cloud-software
Fix Windows Defender Service Not Starting (Error 404) - Microsoft Store Stuck in Login Loop-Remote Desktop Rate Limit Error Checklist
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.