install sudo apt-get install ..... error / when installing NIOS2 on ubuntu 13.04

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install sudo apt-get install ..... error / when installing NIOS2 on ubuntu 13.04. I dont know why it happend, because i have installed and updated all souces 

  --- Quote Start ---   ^[[Acuong@cuong-Vostro-3460:~$ sudo apt-get instgit-core git-gui make gcc ncurses-dev bison flex gawk gettext ccache zlib1g-dev libx11-dev texinfo liblzo2-dev pax-utils uboot-mkimage corkscrew [sudo] password for cuong:  Reading package lists... Done Building dependency tree  Reading state information... Done Note, selecting 'libncurses5-dev' instead of 'ncurses-dev' gettext is already the newest version. gcc is already the newest version. make is already the newest version. 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:  liblzo2-dev : Depends: liblzo2-2 (= 2.06-1) but 2.06-1build1 is to be installed  libncurses5-dev : Depends: libncurses5 (= 5.9-4) but 5.9-10ubuntu4 is to be installed  Depends: libtinfo-dev (= 5.9-4) but it is not going to be installed  Depends: ncurses-bin (= 5.9-4) but 5.9-10ubuntu4 is to be installed  libx11-dev : Depends: libx11-6 (= 2:1.4.99.1-0ubuntu2.2) but 2:1.5.0-1ubuntu1 is to be installed  Depends: libxau-dev (>= 1:1.0.0-1) but it is not going to be installed  Depends: libxdmcp-dev (>= 1:1.0.0-1) but it is not going to be installed  Depends: libxcb1-dev but it is not going to be installed  Recommends: libx11-doc but it is not going to be installed  zlib1g-dev : Depends: zlib1g (= 1:1.2.3.4.dfsg-3ubuntu4) but 1:1.2.7.dfsg-13ubuntu2 is to be installed E: Unable to correct problems, you have held broken packages. cuong@cuong-Vostro-3460:~$         --- Quote End ---  Plz. help me for this!!!!!!!!!!!!!!!!!!