zhizhu
Home / windows-fixes / Fix High CPU Usage by MsMpEng.exe (Windows Defender) - How to Increase PHP Memory Limit for Composer-PowerShell Cannot Access Path Permission Denied Fix

Fix High CPU Usage by MsMpEng.exe (Windows Defender) - How to Increase PHP Memory Limit for Composer-PowerShell Cannot Access Path Permission Denied Fix

2026-06-13 17:04:43windows-fixes
Fix High CPU Usage by MsMpEng.exe (Windows Defender) - How to Increase PHP Memory Limit for Composer-PowerShell Cannot Access Path Permission Denied Fix

Final checklist

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