
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 see a 504 Gateway Timeout error when checking for Windows Updates. This usua...

When Windows activation fails with errors like "0xC004F074" or "The activation server reported th...

You try to install the latest Windows updates, but you get an error like "Permission denied" or "...

You see "Sync pending" for files in OneDrive, and the error code 0x8007016a appears in the sync l...

If you want to control when Windows updates are installed—for example, to avoid unexpected restar...