usb drive malfunctioned on some computers?
this might be the right answer for you.

First is to ensure that the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesUSBSTOR­ start value is 3.
If you are an administrator on the machine, ensure C:windowssystem32drivers have SYSTEM user access especially USBSTOR.SYS.
If you don’t have usbstor.inf in that directory or anywhere in c:windows, go download from the web.
Go to Device Manager an uninstall the ” ? ” which was a result of the failed driver installation.
Plug-in the device, then when asked where to search, point to c:windowssystem32drivers…