WDM USB driver: failed to install a secondary similar USB device

Navy

Junior Member

Join Date: Jun 2010

Posts: 1

06-04-2010

I'm making a USB driver (WDM function driver), and it works well with single device.

But If another similar USB device plugged in, Device Manager will prompt "found new hardware". Install the driver again, failed with error "Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system. (Code 42)".

Can somebody give me any advice?

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