look in the down load section for drivers for the operating system for the second computer ,,check the fourm postings for issues with drivers for U-Mix Control Pro 64 bits,,,,mechanic by trade ,,good phrase to remember is
same same not the same
just a question did you dowload and install the driver that jcut posted on the second computer,,,how about on the first computer,,,was the firmware updated on the second comp .,, how about the first
leave the first alone sinces it works,,,