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Fix Windows Update High CPU Usage and Service Not Responding - Error 0x80070422: Windows Security Service Not Starting Fix-Fix: Windows Update Paused But Still Running

2026-06-13 14:14:36
Fix Windows Update High CPU Usage and Service Not Responding - Error 0x80070422: Windows Security Service Not Starting Fix-Fix: Windows Update Paused But Still Running

Result check

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

Next references

Windows Security Troubleshooting GuideFix 'Windows Security Cannot Connect to Microsoft Defender' ErrorWindows Security Not Opening: Practical Fixes That WorkFix Chrome Tunnel Connection Failed ErrorFix Microsoft Store Access Denied with wsreset CommandHow to Fix 'Port Already in Use' Error on Windows