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: xscreensaver (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Lubuntu Packages Team, which is subscribed to xscreensaver in Ubuntu. https://bugs.launchpad.net/bugs/1653031 Title: xscreensaver reappears after cancel, video problems Status in xscreensaver package in Ubuntu: Invalid Bug description: on 17.04 alpha kernel 3.9.0, xscreensaver will reappear after successful login. Video problems (incomplete screens etc.) also present. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: xscreensaver (not installed) ProcVersionSignature: Ubuntu 4.9.0-11.12-generic 4.9.0 Uname: Linux 4.9.0-11-generic x86_64 ApportVersion: 2.20.4-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE Date: Wed Dec 28 21:38:20 2016 InstallationDate: Installed on 2016-12-28 (0 days ago) InstallationMedia: Xubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) SourcePackage: xscreensaver UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xscreensaver/+bug/1653031/+subscriptions -- Mailing list: https://launchpad.net/~lubuntu-admins Post to : lubuntu-admins@lists.launchpad.net Unsubscribe : https://launchpad.net/~lubuntu-admins More help : https://help.launchpad.net/ListHelp