
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

When you try to activate Windows and see error 0xc004c003 with the message "invalid product key,"...

You open Outlook and see 'Cannot connect to Office 365' or 'Disconnected'. This usually means Out...

When you try to unlock a BitLocker-encrypted drive on a different computer or after a Windows upg...

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

If you see a "504 Gateway Timeout" error when connecting to a remote desktop on Windows 10, the c...