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Windows Defender High CPU and Memory Usage Not Working: Fixes - How to Fix Windows Defender Service Won't Start-Clear Windows Update Cache When Cleanup Stuck

2026-06-13 14:03:26office-tools
Windows Defender High CPU and Memory Usage Not Working: Fixes - How to Fix Windows Defender Service Won't Start-Clear Windows Update Cache When Cleanup Stuck

Final checklist

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

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