I'm from Italy, not that far. But it's something hurting to did a sort of thing for a software issue. Boot is almost ended (if it's loading midi library i guess most of base service are still running) and it should be during boot a way to read for example the kaos.bin from the USB device, reinstall everything, or maybe connect to a computer with network or USB and put firmware from there. A such complex peripheral need to have a recovery system, in my opinion, with an external unit or computer. Especially now that the software is not mature, this feature will be precious. I did a backup just for avoid this situation, not cause it...
I hope some good news tomorrow, without shipping back my KPA.