Installation successful by turning off WiFi, not checking 'download updates while installing ubuntu' and not checking 'install third-party software for graphics and WiFi hardware and additional media formats'. Once your installation is complete, if you connect to WiFi, ubuntu will request software updates, which you can allow then.
Installation successful by turning off WiFi, not checking 'download updates while installing ubuntu' and not checking 'install third-party software for graphics and WiFi hardware and additional media formats'. Once your installation is complete, if you connect to WiFi, ubuntu will request software updates, which you can allow then.