You would need to disable the PPA and then revert to the official Ubuntu package. When you disable a PPA, it does not revert it back to the supported release of the package in question.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773473 Title: "cannot calculate upgrade" when attempting to upgrade to Natty 11.04 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
