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According to the log files: Unpacking postfix (from .../postfix_2.7.0-1_amd64.deb) ... debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable dpkg: error processing /var/cache/apt/archives/postfix_2.7.0-1_amd64.deb (--unpack): subprocess new pre-installation script returned error exit status 1 Was there another process running and using the package manager? ** Changed in: postfix (Ubuntu) Importance: Undecided => Low ** Changed in: postfix (Ubuntu) Status: New => Incomplete -- package postfix (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/622938 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