It may be prudent to ask the user to confirm or deny the presence of a proxy after the failure of the first apt download (or some other test). That, combined with progress bars, would allow users to be prompted for relevant info if required, but also let users in a 'open' network just carry on installing regardless.
Kyle -- behind proxy ubiquity won't work https://launchpad.net/bugs/42529 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
