
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

If you see a message like 'Sync is paused due to rate limiting' or 'OneDrive sync is not working'...

You're trying to activate Windows, but you get a "permission denied" or "access denied" error. Th...

When Windows Update fails with error 0x80070005 and a “Permission Denied” message, it typically m...

When Chrome cannot write to its log file, you may see 'Permission denied' errors in the terminal ...

You launch PowerShell and notice your CPU usage spikes to 80% or more, even when you're not runni...