Unfortunately, it sounds like your 3pi was somehow corrupted during the programming process. Please contact me directly at ben at pololu dot com and I can give you instructions for returning the 3pi for repair. If you purchased the 3pi from us and have your original salesorder number, please include that in your email.
Detecting on ‘Auto’…
AVRISP with V2 firmware found on COM3:
Getting revisions… HW: 0xff, SW Major: 0x02, SW Minor: 0x0a … OK
Getting isp parameter… SD=0x02 … OK