I encountered the same problem, the difference is that in my case the system freezed when the update process started. I had to restart the system by force (using the restart button). After the reboot when I install something with Synaptic I keep getting a message after the installation "E: linux-image-2.6.31-15-generic: subprocess installed post-installation script returned error exit status 1". The goot part is that the packages are installed and functional.
-- package ttf-root-installer 5.18.00-2.3ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/487386 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