Just now I've been installed Firefox Aurora 31.0a2 on Linux Mint 16 64bit with "How to install Firefox Aurora(http://tutorialforlinux.com/2013/05/31/linux-xubuntu-quantal-amd64-howto-install-latest-firefox-aurora-browser/)". Open terminal window and type "firefox-aurora" then run Firefox Aurora. But an error occured like below, root # firefox-aurora (process:19241): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed (firefox:19241): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised (firefox:19241): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::show-crash-dialog after class was initialised (firefox:19241): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::display after class was initialised (firefox:19241): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::default-icon after class was initialised (firefox-aurora:19241): GnomeUI-WARNING **: While connecting to session manager: Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed. (firefox-aurora:19241): GConf-WARNING **: Client failed to connect to the D-BUS daemon: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.