apport gave following message. (translated from dutch)
Problem cannot be reported seems there are some older packages installed. Following packages have to be upgraded. Afterwards check whether the problem persists. gir1.2-glib-2.0, libdb4.8, libdbus-1-3, libgirepository-1.0-1, libgmp3c2, libgmpxx4ldbl, libthai-data, libthai0, libtiff4, python- gobject, x11-common -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/716937 Title: lernid crashed with TypeError in __init__(): could not convert tag property 'foreground' to correct type -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs