Code 42: Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system
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 cannot load the device driver for this hardware because there is a duplicate device already running in the system. (Code 42)
Diagnosis
A duplicate device was detected. This error occurs when a bus driver incorrectly creates two identically named devices, or when a device with a serial number is discovered in a new location before it is removed from the old location.
Resolution
Restart the computer.