
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 trying to update Windows, but it hangs on a particular update and eventually shows error 0...

You're working, and suddenly the fan spins up and your system slows to a crawl. Task Manager show...

You open Windows Security and see an error like “This app can’t open because there’s a problem wi...

You open Windows Defender Security Center, but instead of the dashboard you get a spinning circle...

If you see an error like "The connection to Microsoft Exchange is unavailable. Outlook is using p...