That version is now dead http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml
** Changed in: boost1.62 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1707651 Title: package libboost-signals1.62.0:amd64 1.62.0+dfsg-4 failed to install/upgrade: il pacchetto si trova in uno stato di inconsistenza critico: è consigliato installarlo nuovamente prima di tentare la configurazione. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/boost1.62/+bug/1707651/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs