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 Rate Limit Error & Permission Denied
When Windows Defender throws a "rate limit error" or "permission denied" message, it typically ha...
Fix Gradle Build: Could Not Find or Load Main Class
When a Gradle build fails with Could not find or load main class, it usually means t...
Fix Windows Search Connection Refused Due to Firewall
If Windows Search gives you a "connection refused" error, it usually means the firewall is blocki...
How to Fix Chrome Update Failed and Check Manually
When Chrome fails to update automatically, you might see an error like "Update failed" or "Update...
Fix Windows Security DNS Error Not Working
If Windows Security shows a DNS error or stops working, it's often due to network configuration, ...
Topic paths
Quick titles
How to Restore Windows Security App After a Windows UpdateWindows Terminal Frozen? Here's How to Fix ItHow to Resolve Windows Search Port Already in UseTroubleshooting Windows 10 Error 0xc004c003: Invalid Product KeyHow to Sync Windows Terminal Settings Across ComputersOneDrive Sync Not Working? Check Timeout SettingsTroubleshooting Chrome's Service Unavailable MessageFix Microsoft Teams Not Connecting to Audio Device