Julien Lavergne pointed us to
http://bazaar.launchpad.net/~ubuntu-installer/ubiquity/trunk/revision/4653
as the probable cause of this issue. See discussion on the lubuntu-dsktop mailing list, the thread starts with
https://lists.launchpad.net/lubuntu-desktop/msg03777.html
Julien Lavergne pointed us to
http:// bazaar. launchpad. net/~ubuntu- installer/ ubiquity/ trunk/revision/ 4653
as the probable cause of this issue. See discussion on the lubuntu-dsktop mailing list, the thread starts with
https:/ /lists. launchpad. net/lubuntu- desktop/ msg03777. html