Fix 'Windows Security App Not Installed' on Windows 10 - How to Resolve Chrome Token Expired on Windows 10-Chrome Won't Open After Windows 10 Update: Fixes

Updated 2026-06-17 22:28:31cloud-software
Fix 'Windows Security App Not Installed' on Windows 10 - How to Resolve Chrome Token Expired on Windows 10-Chrome Won't Open After Windows 10 Update: Fixes
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.