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 Terminal Localhost Connection Refused
You open Windows Terminal, try to connect to a local service like a web server or database, and g...
Setting Up Windows Terminal with PowerShell and WSL
If you're running Windows 10 or 11 and want a single terminal that handles both PowerShell and WS...
Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Fix 'Port Already in Use' Error in Windows 10 Command Prompt
When you try to start a local server or application and see Error: listen EADDRINUSE :::808...
Fix DNS Probe Finished NXDOMAIN on Android Chrome
When you see DNS_PROBE_FINISHED_NXDOMAIN in Chrome on Android, it means the brow...
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