
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 search for a file or setting in Windows, and instead of results you get a proxy error saying ...

If you're using Windows Terminal integrated into VS Code and seeing a 'token expired' error, it u...

You open Windows Security and see a rate limit error — notifications stop, scans won't start, or ...

You run Disk Cleanup or Storage Sense to clear Windows Update temporary files, but the tool hangs...

If Windows Search is stuck on "Loading results..." or the search box shows a spinning circle, it'...