unable to mount (devices : usb, cdrom, hd ) not authorized ubuntu 11.10

after update, i could not open my devices.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nautilus 1:3.2.1-0ubuntu4.1
ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17
Uname: Linux 3.0.0-16-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Tue Feb 21 10:11:47 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Sabily-ultimate 11.10 "Uhud" - release i386 (20111217)
SourcePackage: nautilus
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors: (gnome-terminal:2528): Gtk-WARNING **: Unknown property: GtkHScale.update-policy