*** This bug is a duplicate of bug 1534374 *** https://bugs.launchpad.net/bugs/1534374
Please install one of the following meta packages, probably ubuntu- desktop, for the upgrade to proceed further. 2016-01-14 18:16:00,264 DEBUG none of the '['ubuntu-desktop', 'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop', 'mythbuntu-desktop', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop', 'ubuntu-gnome-desktop']' meta-pkgs installed 2016-01-14 18:16:00,264 DEBUG guessing 'ubuntu-desktop' as missing meta-pkg 2016-01-14 18:16:00,945 ERROR failed to mark 'ubuntu-desktop' for install (E:Unable to correct problems, you have held broken packages.) ** This bug has been marked a duplicate of bug 1534374 unable to upgrade to 15.04 due to libstdc++6 SRU -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1534128 Title: upgrading from 14.04 to 15.04 is failed why? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1534128/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs