Take the 2-minute tour ×  This question already has an answer
here:  sudo apt-get install g++  Reading package lists... Done
Building dependency tree        Reading state information...
Done 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:  g++ : Depends: g++-4.7 (>=
4.7.0-1~) but it is not going to be installed share|improve this
question  marked as duplicate by Eliah Kagan, guntbert, Kevin
Bowen, Warren Hill, Eric Carvalho Sep 15 '13 at 0:47   3 Answers
3  Seems like you have some broken packages or dependencies. Try
doing sudo apt-get update, if you get some error updating, try
following:  sudo apt-get clean cd /var/lib/apt sudo mv lists
lists.backup sudo mkdir -p lists/partial sudo apt-get clean sudo
apt-get update  and then try installing g++.  share|improve this
answer  Always run