Ubuntu software centre, update manager fail to open

Posted by Pradeep on Ask Ubuntu See other posts from Ask Ubuntu or by Pradeep
Published on 2012-06-13T09:20:24Z Indexed on 2012/06/13 10:48 UTC
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Filed under:

12.04

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apt

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software-center

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package-management

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update-manager

On my Ubuntu 12.04 LTS system the Software Centre and Update Manager do not open. I am unable to install any updates. And the message given below pops up. I am looking for a step-by-step process to fix this, and as a newbie, I don't know how to use the command line.

Could not initialize the package information
An unresolvable problem occurred while initializing the package information.
Please report this bug against the 'update-manager' package and include the following error message:
'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages, E:The package lists or status file could not be parsed or opened

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