Absolutely perfect solution.  Worked extremely well.  I knew I had a problem with one of the files, and it should have been deleted.  However I didn't known about clean, update and upgrade (which I guess is what the Update-Manager does).

Thank you for the quick response.

JIM

> Date: Tue, 14 Jun 2011 16:40:21 +0000
> From: <email address hidden>
> To: <email address hidden>
> Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package files	with "Encountered a section with no Package: header"
> 
> Thank you all of you
> I had this bug too on Ubuntu 11.04.
> Now it is fixed with this:
> 
> > sudo rm /var/lib/apt/lists/* -vf
> > sudo apt-get clean
> > sudo apt-get update
> > sudo apt-get upgrade
> 
> God bless you
> 
> -- 
> You received this bug notification because you are subscribed to a
> duplicate bug report (796583).
> https://bugs.launchpad.net/bugs/346386
> 
> Title:
>   [MASTER] Update fails with invalid package files with "Encountered a
>   section with no Package: header"
> 
> Status in “apt” package in Ubuntu:
>   Fix Released
> Status in “apt” source package in Natty:
>   Triaged
> Status in “apt” package in Debian:
>   Unknown
> 
> Bug description:
>   Binary package hint: adept-updater
> 
>   Pertinent data printed when attempting to run Updater as follows:
> 
>   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/us.archive.ubuntu
>   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
>   package lists or status file could not be parsed or opened.'
> 
>   WORKAROUND:
>   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
> 
>   In the event that one is connected to a network with a proxy server
>   that returns html pages (like a web page requesting you to login) and
>   not package list files.   Those html files will get downloaded to
>   /var/lib/apt/lists/ and prevent someone from using a package manager
>   until the problem html pages are removed.
> 
>   TEST CASE:
>   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
>   2) Setup proxy server to block access to archive.ubuntu.com and return something like http://people.canonical.com/~brian/tmp/not-packages.html
>   3) Execute 'sudo apt-get update' in a terminal
>   4) Observe the following:
>   'E: Encountered a section with no Package: header
>    E: Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
>    E: The package lists or status file could not be parsed or opened.'
>   5) Try 'apt-cache policy apt' and be sad that it doesn't work
> 
>   With the proposed package installed repeat steps 1 to 3.
>   4) Observe the following:
>   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
>   Ign http://archive.ubuntu.com oneiric InRelease
>   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following signatures were invalid: NODATA 1 NODATA 2'
>   5) Try 'apt-cache policy apt' and be happy that it works
> 
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