Comment 1 for bug 1169981

Can you please follow these steps and report again:

$ sudo apt-get update
$ sudo apt-get install
$ sudo apt-get purge emacs-snapshot-common emacs-snapshot-bin-common emacs-snapshot emacs-snapshot-el emacs-snapshot-gtk emacs23 emacs23-bin-common emacs23-common emacs23-el emacs23-nox emacs23-lucid auctex emacs24 emacs24-bin-common emacs24-common emacs24-common-non-dfsg mmm-mode muse-el pylint planner-el
$ sudo apt-get install emacs24 emacs24-el emacs24-common-non-dfsg