
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 Windows Defender Security Center or try to run a scan, and you see an error: Pat...

You open Windows Security to check your protection status, but the app just sits on a loading spi...

If you've ever run a command in PowerShell and seen an error like "token expired" or "access toke...

If the Windows Search service won't start, you may notice missing search results, slow file searc...

If you've booted into Safe Mode and Windows Defender won't start, shows a loading spinner indefin...