This is very similar to bug #882005 and, partially, to bug #751504, but in the latter case the Install button was present. I guess this was fixed since. However the 'non-existing' package is still listed, i.e. if you click More Info, you get the message:
"There isn't a software package called [...]" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/886680 Title: Dia fails to install from the Software Center: There isn't a software package called "dia-gnome-gnome" in your current software sources To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/app-install-data-ubuntu/+bug/886680/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
