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I am trying to install mjpegtools on ubuntu but its giving me the following error:

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

Its tring to download some stuff like

Failed to fetch  404 Not Found [IP: 80]
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migrated from Jun 8 '11 at 6:25

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Try what the error message suggests and do sudo apt-get update

The problem is that your system has outdated package info and wants an older version than the repositories currently contain.

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