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When I tried to upgrade from Ubuntu 12.10 to Ubuntu 13.04 I got the following error message:
E:Unable to parse package file /var/lib/apt/lists/gt.archive.ubuntu.com_ubuntu_dists_raring_universe_i18n_Translation-en (1), E:The package lists or status file could not be parsed or opened.
and now I can't update, install or uninstall software. How can I fix this?