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Fix High CPU Usage by MsMpEng.exe (Windows Defender) - How to Resolve Windows Terminal 504 Timeout with Winsock Reset-Fix Task Scheduler 'Access Denied' When Running Backup

2026-06-14 05:04:59
Fix High CPU Usage by MsMpEng.exe (Windows Defender) - How to Resolve Windows Terminal 504 Timeout with Winsock Reset-Fix Task Scheduler 'Access Denied' When Running Backup

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.