I cannot found solution for this problem:

constantia@constantia:~$ sudo apt-get install build-essential

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:



The following packages have unmet dependencies:

 build-essential : Depends: dpkg-dev (>= 1.13.5) but it is not going to be installed

E: Unable to correct problems, you have held broken packages.



constantia@constantia:~$ sudo apt-get install dpkg-dev

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:



The following packages have unmet dependencies:

 dpkg-dev : Depends: libdpkg-perl (= 1.17.5ubuntu5) but 1.17.5ubuntu5.2 is to be installed

            Recommends: build-essential but it is not going to be installed

            Recommends: fakeroot but it is not going to be installed

            Recommends: libalgorithm-merge-perl but it is not going to be installed

E: Unable to correct problems, you have held broken packages.



constantia@constantia:~$ sudo apt-get install -f

Reading package lists... Done

Building dependency tree       

Reading state information... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Sorry, if my questions is so stupid. Maybe somebody explain me from where my problem is? I don't touch the system at all (new installation of 14.04). Thank you.