That's probably because R1.3 software is now almost two years old and been out of date almost nine months being superseeded with R1.4 that also comes as a bootable CD where you simply put the TiVo drive in your PC, boot the CD and follow the prompts.

It's available here:
http://minnie.tuhs.org/twiki/bin/vie...repareTiVoDisk

It's configured for Australia (and so for that matter was the file you quote in your text above) but there is information around to change the intended server for doing Guided Setup - in your case NZ