Well your sources.list looks fine now. Problem is there may be "held" packages that were installed during the time the PPA's were being used. Lets try this:
1) sudo apt-get update Then post the output of: 2) apt-cache policy xserver-xorg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/748470 Title: update from 10.10 to 11.04 beta 1 with update-manager fails -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
