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Fix Windows Security Error 404 After Update - Fix Windows Security Token Expired Permissions Denied Error-Outlook Search Broken in Windows 10? Here's How to Fix It

Updated 2026-06-14 06:43:39browser-issues
Fix Windows Security Error 404 After Update - Fix Windows Security Token Expired Permissions Denied Error-Outlook Search Broken in Windows 10? Here's How to Fix It
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.