Can't Install software and update in Ubuntu 12.04

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http://askubuntu.com – Whenever I opened software center and update manager,I got this error message. E:Encountered a section with no Package:header E:Problem with Mergelist /var/lib/apt/lists/mm.archive.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en E:The package lists or status file could not be parsed or opened. I can't install software and update even from terminal.If anyone know,help me please. (HowTos)