The output of the following two would also be helpful (obviously, you'd need to answer "no" any time it might actually do something useful):
apt-get -o Debug::pkgProblemResolver=true upgrade apt-get -o Debug::pkgProblemResolver=true install libnspr4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1036906 Title: libnspr4 bug report (unmet dependencies) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nspr/+bug/1036906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs