
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

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...

You sign in to Windows, but instead of your desktop, you get the Windows Security login prompt ag...

You click 'Check for updates' and see 'Access Denied' or 'Error 0x80070005'. This usually means W...

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

You set Chrome to open automatically when you boot your PC, but it doesn't. This is a common issu...