yeah go ahead and use the -f option if it says to. A couple of my systems showed that (I figure because I had some self- installed bits) and the upgrade went fine after.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/711296 Title: package xserver-xorg-core 2:1.9.0.902-1ubuntu4 failed to install/upgrade: installing xserver-xorg-core would break existing software -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs