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Fix Microsoft Store Authentication Failed Error - Troubleshooting Error 0x800f081f in Windows Update-Fix 'Connection Refused' in Microsoft Store on Windows 11

Updated 2026-06-13 16:11:25office-tools
Fix Microsoft Store Authentication Failed Error - Troubleshooting Error 0x800f081f in Windows Update-Fix 'Connection Refused' in Microsoft Store on Windows 11
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.