I am having the exact same problem with the exact same error message. I am using version 0.2.5 of language-selector and I'm attaching my crashfile as well.
** Attachment added: "crashfile" http://librarian.launchpad.net/6935226/crashfile -- Language Selecter crashes by start.. https://launchpad.net/bugs/95010 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
