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 Microsoft Teams File Locked Not Opening
When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...
Windows 10 Activation Troubleshooting Checklist
When Windows 10 shows an activation error, the cause is usually a recent hardware change, a corru...
How to Reset Windows Defender Settings
If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...
How to Fix Windows Defender Crashing on Windows 11
If Windows Defender keeps crashing on Windows 11, you might see error messages like "Something we...
How to Check Windows Terminal Memory Usage in Task Manager
Windows Terminal can sometimes use more memory than expected, especially if you have multiple tab...
Topic paths
Quick titles
Troubleshoot Windows Search Indexing for One FolderTroubleshoot systemd Service Dependency FailureWindows 10 npm Command Not Found: Troubleshooting GuideFix Windows Security Error 0x80070643 on Ubuntu Dual BootWindows Update Pending Install Not WorkingFix Windows Update Stuck After Clean Install of Windows 10Troubleshooting Postman Connection ErrorsMicrosoft Teams Connection Refused Error Guide