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When I run update manager, Ii get following error.

enter image description here

I am using Ubuntu 12.04 LTS, 64 bit. I am new to Ubuntu please help me out.

Mitch
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vipubuntu
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1 Answers1

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The reason is that this repository does not have packages for your version of Ubuntu (precise). Take a look at http://ppa.launchpad.net/crebs/ppa/ubuntu/dists/.

You need to remove this repository from your /etc/apt/sources.list file. 

gksudo gedit /etc/apt/sources.list

Find the lines that contain "crebs". They should look like

deb http://ppa.launchpad.net/crebs/ppa/ubuntu jaunty main

(or something like this). and put a # (hash) in front of each of them:

# deb http://ppa.launchpad.net/crebs/ppa/ubuntu jaunty main

Repository is now disabled. Save the file, exit the editor and in a terminal, run

sudo apt-get update && sudo apt-get upgrade

(there is also a GUI way of doing that via software sources or something similar from Ubuntu dash, but I don't remember where it sits)

January
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  • Please note that precise is also using the directory /etc/apt/sources.d/ to manage repositories. Therefore the entry could also be in a file inside the named directory. – Uwe Plonus Jul 04 '13 at 13:52
  • Yes (and not only precise). My guess is, however, that it is in sources.list. – January Jul 04 '13 at 13:53
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    Software Sources (Software and Updates in 13.04) is the GUI location to 'uncheck' a repository. – chesedo Jul 04 '13 at 14:16
  • Update Manager (Settings) is the GUI location to 'Uncheck' a repository, in Ubuntu 12.04(precise). – vipubuntu Jul 31 '13 at 08:53