installing applications

[Cheatah 0#@!^]

> I'm mailing this problem of mine for the third time, but no response,
> i'm not able to install any new applications due to this problem. pls
> help.
>
>
> When i try to select "ADD or REMOVE........." from the k-menu in my
> kubuntu 6.06 it shows an error message like this-
> "The APT Database could not be opened! This may be caused by incorrect
> APT configuration or some similar problem. Try running apt-setup and
> apt-get update in terminal and see if it helps to resolve the
> problem".
> i also tried it in the terminal, the error message there is that it
> cant find lib.....
> what is the problem?? how can i solve it??
>

Are you running the program with root privleges ?

sudo apt-get update
passwd:



yes i am. the error message reads like this-
E: Type 'libxine-extraodec' is not known on line 1 in source list
/etc/apt/sources.list
E: The list of sources could not be read.