There are multiple messages about corrupt packages in your log - this shouldn't
happen.
I've seen it before with bad RAM or occasionally a full disc.
Please run a memtest on your machine, delete the archives from
/var/cache/apt/archives and try redownloading them again, making sure
you have
** Attachment added: term.log
http://launchpadlibrarian.net/22831292/term.log
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/22831293/Dependencies.txt
** Attachment added: DpkgTerminalLog.gz
http://launchpadlibrarian.net/22831294/DpkgTerminalLog.gz
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package
