./enroll (microsoft)

This program will enroll your right index finger, unconditionally overwriting any right-index print that was enrolled previously. If you want to continue, press enter, otherwise hit Ctrl+C

Found device claimed by Digital Persona U.are.U 4000/4000B/4500 driver
Opened device. It's now time to enroll your finger.

You will need to successfully scan your finger 5 times to complete the process.

Scan your finger now.
uru4000:warning [irq_handler] oh no! got the interrupt OF DEATH! expect things to go bad
uru4000:info [init_run_state] Versions 0059 and 0034
uru4000:warning [finger_presence_irq_cb] ignoring unexpected interrupt 56aa
uru4000:error [imaging_run_state] bad captured image (0 lines) or size mismatch 0 < 64
Wrote scanned image to enrolled.pgm
Enroll stage passed. Yay!

Scan your finger now.