
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 see a persistent error: "Cannot connect to your mail server. Network err...

You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...

When you see "Outlook PST file cannot be accessed. Permission denied" or a similar error, Outlook...

If you're running VMware Workstation on a Linux host and your virtual machine's network adapter s...

You try to open, move, or delete a file, and Windows tells you the file is locked by Windows Defe...