
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 browsing the Microsoft Store on Windows 11 and suddenly see a 'Rate limit exceeded' or 'To...

You open Windows Security and see 'Windows Defender module not found' or a similar error. This us...

You open Outlook and it hangs on 'Loading profile...' or gets stuck in a repair loop. This usuall...

If you notice the Microsoft Store process (RuntimeBroker.exe or WinStore.App.exe) consuming hundr...

If you see an "expired" or "token expired" error in Chrome whil...