Also interesting - I got some hp-mkuri logs from some other users, they fail slightly differently, in that they don't get the same return codes from libusb, but same net result, ie:
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 131: get_string_descriptor zero result, retrying...
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 131: get_string_descriptor zero result, retrying...
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 131: get_string_descriptor zero result, retrying...
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 131: get_string_descriptor zero result, retrying...
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 131: get_string_descriptor zero result, retrying...
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 151: invalid get_string_descriptor size act=66 exp=0
[localhost] Feb 12 09:22:51 hp-mkuri.exe: io/hpmud/musb.c 2050: invalid product id string ret=-27