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 listChecklist for Troubleshooting Windows Defender Configuration Issues
Windows Defender (now Microsoft Defender Antivirus) sometimes fails to apply settings or behaves ...
Fix Windows Update 504 Gateway Timeout Error
You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...
How to Fix Microsoft Store Login Loop Error
You open the Microsoft Store, try to sign in, and it keeps asking you to sign in again — or the l...
Fix 'Command Not Found' Error in Windows 10 Command Prompt
You type a command in Command Prompt and get 'xxx' is not recognized as an internal or exte...
Fix Windows Defender Connection Refused Error 0x80070005
When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...
Topic paths
Quick titles
How to Fix npm EACCES Error on Windows 10Invoke-WebRequest 504 Error Workaround GuideHow to Resolve Remote Desktop ThrottlingTroubleshoot Certbot Renewal Failure with Error CodesMicrosoft Teams Not Connecting? Here's How to Fix ItHow to Fix Task Scheduler Not Running TasksHow to Fix OneDrive Sync Module Not FoundHow to Fix Chrome Profile Not Found Error