Thank you for the relpies
I'm not sure what was going on there, but I got it passed that part.
I'm trying to follow silver18's USB debricking for noobs (K4/K5)
I have Windows Vista 32 bit.
...and I'm stuck again on step 7:
The error shows up like he says it would when I try to install
kindle-fastboot.inf as the driver.
But it isn't clear to me what he says to do with libusb-win32-bin and libusb0.sys