Hi Stéphane, I had the same problem - restarting the "PolicyKit Authentication Agent" service did the trick. Now every time I tried to mount a partition it prompted me for the super user password (see the screenshot). To solve that "issue" try this link http://ubuntuforums.org/showthread.php?t=1307383
** Attachment added: "Screenshot.png" http://launchpadlibrarian.net/35050432/Screenshot.png -- [karmic] Authentication failure to mount hard drive https://bugs.launchpad.net/bugs/458102 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
