This seems to be an old bug with the preferences loading in GRC: http://www.ruby-forum.com/topic/190977
Temporary workaround (works in Natty): touch ~/.gnuradio/config.conf cat /etc/gnuradio/conf.d/grc.conf >> ~/.gnuradio/config.conf -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/783685 Title: gnuradio-companion, grc, crashes on launch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnuradio/+bug/783685/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs