zhizhu
Home / developer-tools / Check Windows Version via PowerShell Command Line - Windows Update Connection Refused: Antivirus Blocking Fix-Resolve Windows Activation Authentication Failed Error

Check Windows Version via PowerShell Command Line - Windows Update Connection Refused: Antivirus Blocking Fix-Resolve Windows Activation Authentication Failed Error

Updated 2026-06-15 06:44:13developer-tools
Check Windows Version via PowerShell Command Line - Windows Update Connection Refused: Antivirus Blocking Fix-Resolve Windows Activation Authentication Failed Error
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.