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 'Cannot Connect to Localhost: Permission Denied'
You open Windows Terminal, try to connect to a service running on localhost, and get a 'permissio...
How to Fix Windows Activation Error 0xc004c003 with Digital License
If you see error 0xc004c003 during Windows activation with a digital license, it usually means th...
Fix Windows Activation Token Expired via Command Line
If you see a message that your Windows activation token has expired, the system may refuse to act...
How to Fix Jupyter Notebook Token Authentication Error
When you start Jupyter Notebook, you might see a prompt asking for a token or password, or the br...
How to Fix Windows Terminal Rate Limit Error
If you see a rate limit error in Windows Terminal—often appearing as 'HTTP 429 Too Many Requests'...
Topic paths
Quick titles
Windows Update Pending Restart Notification Missing FixFix Microsoft Store Module Not Found Configuration ErrorPowerShell Crashing with 0xc0000005: Quick FixesSetting Up Microsoft Outlook on UbuntuTroubleshoot Chrome Profile Error 0x80070057BitLocker Drive Not Unlocking with Password: Fixes to TryWindows Defender Service Won't Start – How to FixFix Windows Search by Rebuilding Index with CMD