Code 21: Windows is removing this device
Updated: August 31, 2007
Applies To: Windows Server 2008, Windows Vista
Device Manager displays the following message in the Device Properties dialog box, on the General tab, in the Device Status text box:
Windows is removing this device. (Code 21)
This device is currently being uninstalled by Windows.
Wait several seconds, and then refresh Device Manager. If the device still appears, restart the computer.