Fix Outlook Login Loop on Windows 11 - Fix OneDrive 502 Bad Gateway Error from Proxy Settings-How to Restart Windows Defender Threat Service

Updated 2026-06-14 04:53:11cloud-software
Fix Outlook Login Loop on Windows 11 - Fix OneDrive 502 Bad Gateway Error from Proxy Settings-How to Restart Windows Defender Threat Service
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.