Attempting to install Xubuntu on top of Lubuntu PowerPC package should fail. If it were allowed, your installation would fail to run at all, since these are not the same architecture. If you are running a powerpc, you could install Xfce packages separately perhaps, without a complete failure. However, Xubuntu does not have a powerpc package, therefore, attempting to install the intel package on top of the powerpc package will fail.
** Changed in: xfdesktop4 (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/921079 Title: xfdesktop4 cannot be installed on top of lubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfdesktop4/+bug/921079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs