
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

If you're seeing slow downloads, failed updates, or apps that won't install, the Microsoft Store'...

After installing a Windows feature update (e.g., version 22H2 or 23H2), some users find that the ...

If you see an error like “Windows activation file locked by antivirus” or activation repeatedly f...

If Windows Search gets stuck on "loading results" or shows a spinning cursor indefinitely, it's u...

If you're having trouble with the Microsoft Store—apps not downloading, updates stuck, or the sto...