igot frustraded and re instaled ubuntu server .. im at the point in the cmd line

sudo apt-get update .. done
sudo apt-get upgrade .. done

sudo apt-get install linux-image-server linux-headders-server linux-souce

Note: power source when out turn server on and try to do the previous comand and got this message


The following package have unmet dependecies:
Linux-source : depends :linux-sorce-3.5.0 but it is not going to be installed

E:Unmet dependecies try 'apt-get -f install' with no packages ( or specify a solucion)

So i try

sudo apt-get -f install

answer Yes to question and got this error

dpkg: error: parsing file '/var/lib/dpkg/available' near line 13 package 'python-pkg-resources':

'confilcts' field syntax error after reference to package 'python2.3-setuptools'

E:sub-process /usr/bin/dpkg returned an error code (2)