Don, C15 is the core. QNAP is just the store.

Russ, yes, it is the first interface on QNAP.

As I mentioned, it was all working before the update.

Main : C15, MD600, Aurender N10, EMM DAC2X, Boulder 865, Oppo BDP-95, JM Labs Maestro Utopia
Office : PC, Resonessence Invicta, HD800