I'a really sorry, but it isn't such unusual configuratin, AFAIK:
dpkg -l *desktop*
ii kdeartwork-theme-desktop 3.4.1-0ubuntu4 dummy upgrade package for official KDE desktop themes
ii kdesktop 3.5.1-0ubuntu14 miscellaneous binaries and files for the KDE desktop
ii kubuntu-desktop 0.66 Kubuntu desktop system
ii python-gnome2-desktop 2.14.0-0ubuntu1 Python bindings for the GNOME desktop environment
ii python2.4-gnome2-desktop 2.14.0-0ubuntu1 Python bindings for the GNOME desktop environment
ii rdesktop 1.4.1-1.1 RDP client for Windows NT/2000 Terminal Server
ii ubuntu-desktop 0.102 The Ubuntu desktop system
Result: I HAVE GOT both desktops up and working without any problem
I'a really sorry, but it isn't such unusual configuratin, AFAIK: theme-desktop 3.4.1-0ubuntu4 dummy upgrade package for official KDE desktop themes gnome2- desktop 2.14.0-0ubuntu1 Python bindings for the GNOME desktop environment 4-gnome2- desktop 2.14.0-0ubuntu1 Python bindings for the GNOME desktop environment
dpkg -l *desktop*
ii kdeartwork-
ii kdesktop 3.5.1-0ubuntu14 miscellaneous binaries and files for the KDE desktop
ii kubuntu-desktop 0.66 Kubuntu desktop system
ii python-
ii python2.
ii rdesktop 1.4.1-1.1 RDP client for Windows NT/2000 Terminal Server
ii ubuntu-desktop 0.102 The Ubuntu desktop system
Result: I HAVE GOT both desktops up and working without any problem