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Fix Windows Security App Stuck on Loading Screen in Windows 10 - Repair a Stuck Windows Update Loop: Practical Steps-Fix Windows Terminal '404 Not Found' Profile Error

Updated 2026-06-13 16:42:01developer-tools
Fix Windows Security App Stuck on Loading Screen in Windows 10 - Repair a Stuck Windows Update Loop: Practical Steps-Fix Windows Terminal '404 Not Found' Profile Error
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.

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