I thought the Upgrade Manager disables 3rd party sources before it fetches the upgrade packages (http://i.imgur.com/Pu1L9.png), or did I get that wrong? Can you please be more specific regarding which PPAs to purge?
Thank you for your help. -- 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
