Dan Purcell

 Same here. No context menu. EDIT: Actually, it doesn't work at all. The Sun is already in the default list of channels to block. Manually adding the channel ID...

Thanks for the advice. I generated the log file as described in the PDF and here is the result: ``` qpseq64 C:/Users/Dan/AppData/Local/sequencer64/virtualmidi.log 2019-09-19 00:36:08 PortMidi host error: [4] 'The specified...