Fix Windows Security Token Expired Due to Group Policy - Fix Microsoft Store Proxy Error 0x80131500-Checking and Installing Windows Updates

Updated 2026-06-13 16:08:53developer-tools
Fix Windows Security Token Expired Due to Group Policy - Fix Microsoft Store Proxy Error 0x80131500-Checking and Installing Windows Updates
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.