Irihapeti, could you try the same thing but run the installer with 'ubiquity -d' from a terminal window? It looks as though the debconf protocol is getting out of sync, and that debug mode should give us a full trace in /var/log/installer/debug.
Irihapeti, could you try the same thing but run the installer with 'ubiquity -d' from a terminal window? It looks as though the debconf protocol is getting out of sync, and that debug mode should give us a full trace in /var/log/ installer/ debug.