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Reproduced. I installed apache2 on Saucy, removed it (without purging), and then installed the apache2 package from Trusty. ** Summary changed: - package apache2 (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1 + Installing apache2 fails in apache2.preinst when a previous version was in removed state -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to apache2 in Ubuntu. https://bugs.launchpad.net/bugs/1312533 Title: Installing apache2 fails in apache2.preinst when a previous version was in removed state To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1312533/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs