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 listHow to Fix Chrome ERR_TUNNEL_CONNECTION_FAILED
You're browsing in Chrome, and suddenly a page fails to load with the error ERR_TUNNEL_CO...
How to Fix Microsoft Teams Service Unavailable Error
When you see 'Service Unavailable' in Microsoft Teams, it usually means the app can't reach Micro...
How to Fix Chrome Migration Not Working
If you're trying to move your Chrome bookmarks, passwords, or settings to a new computer or profi...
Fix Microsoft Store Access Denied with wsreset Command
If you see an 'Access Denied' error when opening Microsoft Store, the wsreset command often clear...
Fix Microsoft Store Error 0x80070005: Permission Denied
You try to install or update an app from the Microsoft Store and see error 0x80070005, often acco...
Topic paths
Quick titles
Fix Outlook Throttling and Sending LimitsHow to Fix Microsoft Store Authentication Failed ErrorWindows Update Invalid Configuration: Clean Boot FixHow to Install Windows Updates on a Mac Using Boot CampMicrosoft Store App Restore ChecklistBitLocker Configuration Steps for EnterpriseFix Access Denied Error 0x80070005 Windows Search MacError 0x80073b01 in Windows Security: Quick Fixes