copy the corresponding libusb-1.0.dll (64-bit) into your System32 directory (C:\Windows\System32)
Install LibusbJava
If you like to use LibusbJava with the USB BDI for the MPC555 or a Atmel AT90USB1287, you may also download the NTB Windows Driver Package. It includes the necessary .inf-Files for WinUSB for this two types of Hardware and LibusbJava. More information can be found here.