In my case, this bug was caused by (package virtualbox-ose 1.5.0-dfsg2-1ubuntu3 failed to install/upgrade, https://bugs.launchpad.net/ubuntu/+source/virtualbox-ose/+bug/210212)
-- Dist Upgrader freezes when presenting "Could not install the upgrades" window https://bugs.launchpad.net/bugs/234500 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
