
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 try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

You open the Microsoft Store, and it just sits there on a blank or spinning loading screen. This ...

You open Windows Security and it hangs on a loading screen, then shows a connection timeout error...

If Windows Terminal shows a 'path not found' error when you try to open a profile (like PowerShel...

You click the Chrome icon, but nothing happens. Or it opens briefly and closes. This is a common ...