If you are still having problems try changing your COM setting from COM1. Start with COM2 and go up to say 5. I find on my laptop I am using either COM3 or COM5 depending which USB port I am plugged into.

Rob

Trinnov Altitude 32-8, Roon Nucleus, Oppo 103D, Kawero Classic, Thiel SS2 Subwoofer, Analog Domain M75D Mk2 amplifier, Aqua La Scala 2 DAC, Running Springs Dmitri (x2), Vertex (various), Kubala Sosna Expression /Synergistic interconnects/power cables