Thanks Paul, here are last few lines of verbose info:
(much more above this...If you need more, I can send the whole thing)
10:11:44: flash, block=4, bs=1024, auto=1
10:11:44: flash, block=5, bs=1024, auto=1
10:11:44: flash, block=6, bs=1024, auto=1
10:11:44: HID/win32: waiting for device...