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Check for Malware When Windows Activation Causes High CPU Usage - Fix Windows Security Real-Time Protection Slowdown-Fix 0x80070643 Windows Defender Module Missing

2026-06-13 15:58:56developer-tools
Check for Malware When Windows Activation Causes High CPU Usage - Fix Windows Security Real-Time Protection Slowdown-Fix 0x80070643 Windows Defender Module Missing

Final checklist

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