Hello Can you please run in a termina sudo apt-get clean and run again update manager
** Changed in: 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/727861 Title: package samba-common 2:3.4.7~dfsg-1ubuntu3.4 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