
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 sync a file or folder in OneDrive, but it stops with a 'permission denied' or 'access ...

You're trying to install Windows Security (formerly Windows Defender) using an offline installer,...

You try to create a new Chrome profile, but instead of a fresh browser, you get a DNS error. The ...

When you open Windows Security and see only a blank white or black screen, the app isn't loading ...

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