Broken packages after online upgrade from 11.10 to 12.04

Thu May 3 11:26:56 UTC 2012

On 5/3/2012 2:39 AM, Dave Henley wrote:
> Now I`m unable to perform any update/upgrade nor a new package install.

The same thing happened to me, so I am also interested in a solution.  
It is frustrating to see that there are security updates available, but 
the system simply enters and endless loop of error messages, terminal 
text, and shut downs.

I am lost.