The Preset Manager can't seem to find my MC6 MKII. Here's the log after launching:
Thu, 03 May 2018 00:06:13 GMT - Midi Capability = true
Thu, 03 May 2018 00:06:13 GMT - On Midi Init
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Mackie Control: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Mackie C4: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 3: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 4: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 5: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 6: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 7: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Emagic - Unitor8/AMT8 Port 8: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM DIN 1: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM DIN 2: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB D1: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB D2: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H1: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H2: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H3: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H4: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H5: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H6: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H7: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - iConnectivity - iConnectMIDI iCM USB H8: open
Thu, 03 May 2018 00:06:13 GMT - Midi output - Morningstar - MC6 MK2: open
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Mackie Control: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Mackie C4: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 3: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 4: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 5: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 6: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 7: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Emagic - Unitor8/AMT8 Port 8: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM DIN 1: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM DIN 2: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB D1: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB D2: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H1: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H2: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H3: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H4: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H5: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H6: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H7: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - iConnectivity - iConnectMIDI iCM USB H8: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - MOTU - ear-1248 LTC Sync: closed
Thu, 03 May 2018 00:06:13 GMT - Midi input - Morningstar - MC6 MK2: closed
I'm just getting back to this. In the link above, there is no .hex file, but the fresh firmware I grabbed from the main page worked:
https://github.com/Morningstar-Engineering/MC6-MKII-Midi-Controller/releases
Thanks!