Fix Microsoft Teams Token Expired Sign-In Loop - Windows Defender Not Opening on Windows 11: How to Fix-Enable Disabled Windows Update Service

Updated 2026-06-14 07:40:56cloud-software
Fix Microsoft Teams Token Expired Sign-In Loop - Windows Defender Not Opening on Windows 11: How to Fix-Enable Disabled Windows Update 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.