If you have a 64-bit system, then lib64ncurses5 is really just libncurses5. The lib64ncurses5 package is for installing the 64-bit version on a 32-bit system.
If you install the 32-bit version, the 32-bit program should run: sudo apt-get install libncurses5:i386 ** Changed in: ncurses (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1075081 Title: lib64ncurses5 cannot be installed on 12.04 64 bit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ncurses/+bug/1075081/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs