
Windows Update High CPU Usage Troubleshooting Checklist
If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

You're running Windows Update, and after a restart, the screen goes blank—no cursor, no logo, jus...

If Windows Defender shows an error saying it cannot connect to Windows Update, it usually means t...

You open Windows Terminal and see an error: “Version mismatch” or “Error code: 0x800...

If you work behind a corporate proxy or use a VPN, Windows Terminal might fail to connect to the ...

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...