
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 open Outlook and it throws an SSL certificate error — something like “The name on the securit...

You try to sign in or join a meeting in Microsoft Teams, and you see a network error: per...

You try to edit or delete a file in OneDrive, but Windows reports it's locked by a system process...

If Windows Search shows a network error or won't sync, the search index might be corrupted, netwo...

If you work with files over 250 MB in OneDrive, you may encounter sync stalls, timeouts, or uploa...