Thank you for reporting this issue and helping to improve Ubuntu. Can you please run the following command from a terminal and paste the output here?
sudo fuser -v /var/cache/debconf/config.dat ** Changed in: pam (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/791842 Title: package libpam0g 1.1.2-2ubuntu8.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs