I had a similar problem but with PHP 7.1 (see bug #1710007), turns out I had another libapache2-mod-php5.6 for PHP 5.6 installed. I fixed it with the steps below:
$ sudo apt-get remove --purge php* $ dpkg -l | grep php rc libapache2-mod-php5.6 5.6.30-1+deb.sury.org~yakkety+1 amd64 server-side, HTML-embedded scripting language (Apache 2 module) rc libapache2-mod-php7.1 7.1.8-1ubuntu1 amd64 server-side, HTML-embedded scripting language (Apache 2 module) $ sudo apt-get purge libapache2-mod-php* $ sudo apt-get install php Hope this helps the reporter. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1703196 Title: package libapache2-mod-php7.0 7.0.18-0ubuntu0.17.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php7.0/+bug/1703196/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs