On Wed, Jul 17, 2013 at 4:02 PM, Muhammad Bashir Al-Noimi <mbnoimi@xxxxxxxxx> wrote: > Failed to fetch > bzip2:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_quantal-updates_main_binary-amd64_Packages > Hash Sum mismatch I guess this is the problem. It happened to me sometimes when working behind a proxy, but I don't have a good workaround. It is better to ask to someone on an ubuntu mailing list. Luca -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general