Message #10 apt-get install --reinstall libgl1-mesa-glx:amd64 libgl1-mesa-glx:i386
did the trick for me. Gnome-shell is now working again -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/859188 Title: can't apt-get install --reinstall when foreign-arch version is present (E: Internal Error, No file name for libgl1-mesa-glx) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/859188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs