could not calculate the upgrade

[Tapas Mishra]

On Tue, Oct 12, 2010 at 3:04 PM, Colin Law <clanlaw at googlemail.com> wrote:
> On 12 October 2010 10:23, Tapas Mishra <mightydreams at gmail.com> wrote:
>> On Tue, Oct 12, 2010 at 1:37 PM, Colin Law <clanlaw at googlemail.com> wrote:
>>> On 12 October 2010 07:06, Tapas Mishra <mightydreams at gmail.com> wrote:
>>>> On Tue, Oct 12, 2010 at 11:03 AM, Alan Pope <alan at popey.com> wrote:
>>>>> On 12 October 2010 06:05, Tapas Mishra <mightydreams at gmail.com> 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
>>>> things.
>>>>
>>>>>> 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,
>>>> http://paste.ubuntu.com/511416/
>>>
>>> If it is a clean install what are these doing in sources.list?
>>>
>>> deb http://ppa.launchpad.net/chromium-daily/ppa/ubuntu lucid main
>>> deb-src http://ppa.launchpad.net/chromium-daily/ppa/ubuntu lucid main
>>>
>>> deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu lucid main #xorg-edgers PPA
>>> deb-src http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu lucid main
>>> #xorg-edgers P
>>> #For Clam AV
>>> deb http://volatile.debian.org/debian-volatile stable/volatile main
>>> contrib non-free
>> Well CalmAV is an antivirus this I had added from some link but rest I
>> did not do any changes.
>>
>
> Are you saying you did not add the xorg-edgers ppa?  I think that most
> unlikely, I do not see how it could have got there itself.  Have you
> ever accessed this ppa?  You might have done something like
>
> sudo add-apt-repository ppa:xorg-edgers/ppa

I do not remember addition of this repository you mentioned and
after your message I had commented out all these.
But still upgrade failed.