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I am trying to update 12.04LTS on my laptop and for the past couple of days I have been getting this error message:

W:Failed to fetch The requested URL returned error: 401 , E:Some index files failed to download. They have been ignored, or old ones used instead.

Any ideas?

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It occurs because incompleted purchase of fullcircle magazine, – Tachyons Aug 7 '12 at 3:19
thank you much!! – MCP_infiltrator Aug 7 '12 at 20:43
up vote 0 down vote accepted

Disable the repo Removing & Disabling Repositories

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