could not calculate the upgrade

Tapas Mishra mightydreams at
Tue Oct 12 06:06:59 UTC 2010

On Tue, Oct 12, 2010 at 11:03 AM, Alan Pope <alan at> wrote:
> On 12 October 2010 06:05, Tapas Mishra <mightydreams at> wrote:
>> The problem cannot be reported:
>> This is not a genuine Ubuntu package
> Which indicates you have tweaked your sources.list or installed an
> update-manager package from elsewhere.
I here by declare that what ever I said in this thread is true to best
of my knowledge I have not tweaked with any package in the 10.04
system.It is a clean install and I have not installed any of such

>> What is 10.10 it feels it is useless to do any upgrades on 10.04 (this
>> is a clean 10.04 installation without any experiment)
> Based on previous mails I find this somewhat hard to believe.
> What's the contents of /etc/apt/sources.list,
and the contents of the
> files in /etc/apt/sources.list.d/*
lucid-partner.list ---->

> What's the output of the commands:-
> dpkg -l update-manager
gives following output

> apt-cache show update-manager*
output is

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