The update manager does disable the sources but it does not remove what was installed when the sources were enabled. Can you attach your sources.list file?
(Attach it to Launchpad instead of pastie.org - It makes it easier for us to look at. Thanks.) --- Ubuntu Bug Squad volunteer triager http://wiki.ubuntu.com/BugSquad -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/788333 Title: Could not calculate the upgrade 10.10 -> 11.04 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs