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I have a fresh install of Ubuntu 12.04. Whenever I try to download a new app from the Ubuntu Software Center, it says:

Requires unauthenticated packages

It then gives me an option to "Repair". When I click on "Repair", it starts "Updating cache" with the progress bar stuck at zero.


If I try download or install any package via terminal, it gets stuck at

connecting to archive.ubuntu.com

and I end up with the

something wicked happened...

error message.

I've tried changing the server from 'Software Sources' as mentioned in the troubleshooter. But that doesn't help and the problem persists.

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1 Answer 1

Check all the repositories from software sources and then update the software catalog using update manager. Then retry again.

If it doesn't work, try the following commands in a terminal:

sudo apt-get clean
sudo apt-get -f

And include the output of this command in the question.

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I would also include a sudo apt-get update. –  NlightNFotis Aug 12 '12 at 9:49

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