W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-updates/Release  Unable to find expected entry 'univers/source/Sources' in Release file (Wrong sources.list entry or malformed file)
, E:Some index files failed to download. They have been ignored, or old ones used instead.

It seems that you have a typo in your sources.list



Look for the entry with univers

add an "e" to the end. Should be universe

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