Troubleshoot 504 Gateway Timeout in Windows Security App - How to Fix Windows Defender Error 0x800106ba-Outlook Stuck on Loading Profile: Disable Add-ins to Fix

Updated 2026-06-13 15:45:16cloud-software
Troubleshoot 504 Gateway Timeout in Windows Security App - How to Fix Windows Defender Error 0x800106ba-Outlook Stuck on Loading Profile: Disable Add-ins to Fix
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.