zhizhu
Home / windows-fixes / Fix Windows Defender Service Unavailable Error - PostgreSQL Password Authentication Error Fix-Fix High CPU Usage by MsMpEng.exe (Windows Defender)

Fix Windows Defender Service Unavailable Error - PostgreSQL Password Authentication Error Fix-Fix High CPU Usage by MsMpEng.exe (Windows Defender)

2026-06-13 16:09:22windows-fixes
Fix Windows Defender Service Unavailable Error - PostgreSQL Password Authentication Error Fix-Fix High CPU Usage by MsMpEng.exe (Windows Defender)

Final checklist

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