synaptic package manager wont start

Asked by srikanth

i try to open my synaptic package manager but as it starts a error box pops up and reads as follows

"E: Malformed line 50 in source list /etc/apt/sources.list (URI parse)
E: The list of sources could not be read.
Go to the repository dialog to correct the problem.
E: _cache->open() failed, please report."

earlier i tried to include the repository "deb lucid partner"
from the terminal as follows
add-apt-repository "deb lucid partner".

can u tell me how i can fix my problem and reset my synaptic package manager

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Ubuntu synaptic Edit question
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enubuntu (mr.tennents) said :

Please open a terminal by hitting CTRL + ALT + T than insert this command and run it:
cat /etc/apt/sources.list -n

than copy and paste here all the terminal says.

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srikanth (srix01) said :

thank you
but i deleted the old source list and pasted the default from the net and it
any more suggestions
thanks once again for replying

On Tue, Sep 20, 2011 at 3:51 PM, Enrico "eNry" Carafa <
<email address hidden>> wrote:

> Your question #171752 on synaptic in Ubuntu changed:
> Project: Ubuntu => synaptic in Ubuntu
> --
> You received this question notification because you asked the question.

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enubuntu (mr.tennents) said :

So I think that now you have solved the question. If yes, please mark the question as solved.

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