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Outlook High CPU Usage: Scanpst Repair Guide - Windows Defender Scan Hangs at 99%-Windows Defender Service Won't Start Permission Denied

2026-06-14 04:41:50
Outlook High CPU Usage: Scanpst Repair Guide - Windows Defender Scan Hangs at 99%-Windows Defender Service Won't Start Permission Denied

Result check

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

Next references

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