zhizhu
Home / browser-issues / Fix Windows Update High CPU Usage and Service Not Responding - Why Windows Defender Says File Locked and How to Fix It-Resolve Port Conflicts Caused by Windows Firewall Rules

Fix Windows Update High CPU Usage and Service Not Responding - Why Windows Defender Says File Locked and How to Fix It-Resolve Port Conflicts Caused by Windows Firewall Rules

2026-06-13 15:21:24
Fix Windows Update High CPU Usage and Service Not Responding - Why Windows Defender Says File Locked and How to Fix It-Resolve Port Conflicts Caused by Windows Firewall Rules

Result check

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

Next references

Fix Windows Update Cleanup Stuck Waiting for Other UpdatesFixing VSCode Remote SSH Connection Timeout on WindowsFix Sync Issues After Windows Update Migration Between DevicesHow to Fix Docker Volume Permission Denied ErrorsFix 'Permission Denied' When Updating Microsoft Store AppsSetup Windows Security for Small Business: A Practical Guide