
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

After a Windows or Microsoft 365 update, Outlook may fail to open—no window appears, or it crashe...

You open the Microsoft Store, and your CPU fan spins up. Task Manager shows Store using 30-50% CP...

You changed your Windows password and now Remote Desktop (RDP) keeps asking for credentials, logs...

When you try to run Set-ExecutionPolicy in PowerShell and get a 'permission denied' ...

When you click the Microsoft Store icon and nothing happens—or it flashes and closes—it's usually...