I reviewed the stderr output from Software Center when trying to install or remove anything, and there appeared to be a problem with apport not having privileges to write to /var/crash. I tried running it as root, and got a usable report from that, which seems to be the same as this one.
-- software-center crashed with TypeError in _run_transaction() https://bugs.launchpad.net/bugs/443994 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs