zhizhu
Home / cloud-software / How to Fix PowerShell Authentication Failed Error - Windows Update Connection Refused? Try Netsh Winsock Reset-Extension Host Terminated Unexpectedly Fix

How to Fix PowerShell Authentication Failed Error - Windows Update Connection Refused? Try Netsh Winsock Reset-Extension Host Terminated Unexpectedly Fix

Updated 2026-06-14 20:56:01cloud-software
How to Fix PowerShell Authentication Failed Error - Windows Update Connection Refused? Try Netsh Winsock Reset-Extension Host Terminated Unexpectedly Fix
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.