Windows Update High CPU Usage Troubleshooting Checklist
If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Real-Time Protection Permission Denied
You try to turn on real-time protection in Windows Security, but get a 'permission denied' messag...
Fix Windows Activation Not Connecting to Server
You try to activate Windows, but you see an error saying it can't connect to the activation serve...
Fix Windows Defender Module Not Found Error
You open Windows Security and see an error: "Module not found" or "Windows Defender module not fo...
Fix Microsoft Store Error 0x80070424: Authentication Failed
When you see "Authentication failed" with error code 0x80070424 in Microsoft Store, it usually me...
Windows Defender and Ubuntu Dual Boot Setup Guide
If you run a dual-boot system with Windows and Ubuntu, you may notice that Windows Defender somet...
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