
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

When installing Windows Terminal from the Microsoft Store or via winget, you might see error code...

You see "Windows activation authentication failed" or "product key not valid" when trying to acti...

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

You installed a new antivirus program, and now Windows Update won't run. The service might be dis...

You downloaded the Microsoft Store offline installer (the .appxbundle file) but it fails to insta...