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

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

You try to install or update an app from the Microsoft Store and see an error about version misma...

You open Task Scheduler in Windows 10 but see only a blank white or gray screen—no tasks, no menu...

Users on Windows 10 may encounter a 502 Bad Gateway error when trying to sync fi...

If your Windows Security backup isn't syncing, you might see a message like "Backup sync pending"...

You're trying to install a Windows 11 update, but it fails with error 0x80070643. This usually me...