Do you remember if you had some other packaging related tool running at the same time? Like upgrading other packages, or having some dpkg --reconfigure running in another window, synaptic, etc?
If it's still an issue can you please provide the output of the following command: fuser -v /var/cache/debconf/config.dat ** Changed in: postfix (Ubuntu) Status: New => Incomplete -- during postfix installation i am getting "debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process" https://bugs.launchpad.net/bugs/300108 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