While you’re waiting for a more useful answer …
I can’t answer your question in terms of your specific hardware, but, FWIW, one “last resort” method of recording streamed audio is to use physical patch cords to route the (analog) output of a sound card back into (analog) inputs (making sure you don’t create a feedback loop, eg via your recording software). You then make a recording just as you would from any source plugged into the same (analog) inputs. Of course, this won’t work if your sound card can’t be used by the two different programs at once.