Try adding DEBIAN_FRONTEND=readline to the command line: # DEBIAN_FRONTEND=readline dpkg --configure libssl1.0.0
I suspect this isn't related to openssl. Thanks ** Changed in: openssl (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssl in Ubuntu. https://bugs.launchpad.net/bugs/1456396 Title: Error on configuring Status in openssl package in Ubuntu: Incomplete Bug description: I'm using Ubuntu 15.10 dev with libssl1.0.0 1.0.2a-1ubuntu1 and on upgrading the system I'm getting this error if libssl1.0.0 gets configured: root@ubuntu:~# dpkg --configure libssl1.0.0 Setting up libssl1.0.0:amd64 (1.0.2a-1ubuntu1) ... Checking for services that may need to be restarted...done. Checking for services that may need to be restarted...done. Checking init scripts... debconf: Unable to load Debconf::Element::Dialog. Failed because: Can't locate Debconf/Element/Dialog.pm in @INC (you may need to install the Debconf::Element::Dialog module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.20.2 /usr/local/share/perl/5.20.2 /usr/lib/x86_64-linux-gnu/perl5/5.20 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.20 /usr/share/perl/5.20 /usr/local/lib/site_perl .) at (eval 19) line 2, <GEN1> line 2. BEGIN failed--compilation aborted at (eval 19) line 2, <GEN1> line 2. Can't locate object method "new" via package "Debconf::Element::Dialog" (perhaps you forgot to load "Debconf::Element::Dialog"?) at /usr/share/perl5/Debconf/FrontEnd.pm line 68, <GEN1> line 2. dpkg: error processing package libssl1.0.0:amd64 (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: libssl1.0.0:amd64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1456396/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp