Execute: [code]sync && sudo apt-get clean && sudo apt-get update && sudo apt-get check && sudo apt-get dist-upgrade && sudo apt-get upgrade && sync
sudo apt-get install tcsh gawk cmake
sudo apt-get build-dep root-system
sudo apt-get purge root-system* root-plugin* libroot*[/code] then check that the “/usr/lib/i386-linux-gnu/root5.34” and the “/usr/lib/x86_64-linux-gnu/root5.34” subdirectories disappeared completely and finally follow the “in-place” instructions (make sure that you do not have “${HOME}/.rootrc”, “${HOME}/rootlogon.C”, “${HOME}/rootlogoff.C”, “${HOME}/rootalias.C” files): Trouble Installing