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Fix Windows Security High CPU Usage on Windows 10 - Windows Security Not Working After Update? Try These Fixes-Troubleshoot Windows Defender Not Starting from Dependency Issue

2026-06-13 15:13:02
Fix Windows Security High CPU Usage on Windows 10 - Windows Security Not Working After Update? Try These Fixes-Troubleshoot Windows Defender Not Starting from Dependency Issue

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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