
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're running a PowerShell command and get a red error: "Service unavailable". ...

If you recently reinstalled Windows or performed a reset, you might see 'Access Denied' or 'Permi...

When a scheduled backup fails with an error code, the Task Scheduler may show a generic failure o...

If you open Windows Security (Windows Defender) on Windows 11 and see only a blank or white scree...

Rate limiting in Windows Security can sometimes interfere with legitimate applications, causing c...