It should happen for any language besides English (I personally got the confirmation for Chinese), because the necessary files need to be downloaded from a network (which is apparently not available).
Suggestion: either disable (grey out) the possibility to install in a different language than English, or display a popup Window explaining to the user that a network connection is required for this feature. Or probably both... -- installer hangs retrieving langpacks when network is down https://bugs.launchpad.net/bugs/145012 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs