
Windows Update High CPU Usage Troubleshooting Checklist
If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

If your system feels sluggish and Task Manager shows high CPU usage from TiWorker.exe

You see "Your profile could not be opened correctly" or "Chrome profile ...

You're working in Outlook and suddenly see the message: "Outlook service unavailable. Check y...

If you see 'DNS resolution failed' or 'Name or service not known' in Windows Terminal, the proble...

You open Windows Security and see a 404 error or the page fails to load. This usually points to a...

You're running a command in Command Prompt and get hit with "Authentication failed" or "Access de...