Windows Security Login Loop: Step-by-Step Checklist - Fix Microsoft Teams Stuck on Loading Black Screen-Windows 10/11 Update Error 0x800f0922 Proxy Fix

Updated 2026-06-13 16:06:50developer-tools
Windows Security Login Loop: Step-by-Step Checklist - Fix Microsoft Teams Stuck on Loading Black Screen-Windows 10/11 Update Error 0x800f0922 Proxy 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.