I don't know where the attachments were lost. Anyhow I did some more investigations on the problem myself.
Result: The package 'msttcorefonts' caused the upgrade abort. This package seems to work only in Breezy but not in Dapper. -- Upgrade from Breezy to Dapper aborted https://launchpad.net/bugs/68726 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
