zhizhu
Home / developer-tools / How to Fix PowerShell Authentication Failed Error - How to Fix Visual Studio Installer Hanging on Preparing-Reduce Windows Security RAM Usage (MsMpEng.exe)

How to Fix PowerShell Authentication Failed Error - How to Fix Visual Studio Installer Hanging on Preparing-Reduce Windows Security RAM Usage (MsMpEng.exe)

2026-06-13 23:35:08developer-tools
How to Fix PowerShell Authentication Failed Error - How to Fix Visual Studio Installer Hanging on Preparing-Reduce Windows Security RAM Usage (MsMpEng.exe)

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.