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

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

You open PowerShell, see a login prompt, and then it loops—repeatedly asking for credentials or r...

If you need Windows Activation to start automatically at boot—for example, on kiosk systems or af...

You connect to a remote Windows 10 machine and the screen lags, typing is delayed, or file transf...

When you try to activate Windows 10 or 11 and see "connection refused" or "can't connect to activ...

If you open Windows Update settings, make changes (like pausing updates or changing active hours)...