This isn't a bug. The nautilus-elementary and ghtumb PPAs do not support Precise which causes the package upgrade operation to fail. You must disable those PPA's to fix the issues.
Thank you for reporting this one! ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1254393 Title: problema ppa.launchpad.net precise/main Sources To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1254393/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs