I have the same with virtualbox-ose_2.0.2-dfsg-0ubuntu3_amd64.deb I was able to continue the installation anyway, Upgrade from 8.04 Kubuntu to 8.10 beta with Adept. Logs attached.
** Attachment added: "var_log_dist_upgrade log files" http://launchpadlibrarian.net/18936608/logs.tar.gz -- Could not install virtualbox-ose_2.0.2-dfsg-0ubuntu3_1386.deb while upgrade to 8.10 beta https://bugs.launchpad.net/bugs/286022 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs