
Windows Update High CPU Usage Troubleshooting Checklist
If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe
Software troubleshooting desk

If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

You open Chrome and see a message like “Profile rate limit exceeded” or “Sign in error: rate limi...

When you run a PowerShell script or command against a remote server, you might see errors about v...

You try to activate Windows, but get a DNS error. The system can't reach the activation server. T...

You open Outlook and see an authentication failed error tied to your Exchange account. The passwo...

Windows Defender’s real-time protection sometimes gets stuck—either refusing to turn on after bei...