i got this problem too.

Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.6" (uid=0 pid=2942 comm="/usr/lib/hal/hald-addon-cpufreq "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.19" (uid=1000 pid=3400 comm="x-session-manager "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.5" (uid=0 pid=2938 comm="/usr/lib/hal/hald-addon-storage "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.18" (uid=1000 pid=3468 comm="/usr/bin/pulseaudio --start "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.17" (uid=1000 pid=3471 comm="/usr/lib/libgconf2-4/gconfd-2 "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.16" (uid=1000 pid=3465 comm="/usr/bin/pulseaudio --start "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a"))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.15" (uid=0 pid=3357 comm="/usr/sbin/gdm "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.26" (uid=1000 pid=3620 comm="/usr/lib/gvfs/gvfs-hal-volume-monitor "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 2 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.37" (uid=0 pid=4171 comm="/usr/lib/NetworkManager/nm-dispatcher.action "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 2 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.1" (uid=0 pid=2802 comm="/usr/sbin/console-kit-daemon "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.14" (uid=1000 pid=3387 comm="/usr/bin/gnome-keyring-daemon --daemonize --login "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.36" (uid=1000 pid=4114 comm="/usr/lib/fast-user-switch-applet/fast-user-switch-"))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.23" (uid=1000 pid=3573 comm="nm-applet --sm-disable "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.22" (uid=1000 pid=3574 comm="update-notifier --startup-delay=60 "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.33" (uid=1000 pid=3559 comm="nautilus "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 2 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.10" (uid=0 pid=3019 comm="/sbin/wpa_supplicant -u -f /var/log/wpa_supplicant"))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.21" (uid=1000 pid=3564 comm="/usr/lib/tracker/trackerd "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.32" (uid=1000 pid=3958 comm="/usr/lib/tracker/tracker-indexer "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.20" (uid=1000 pid=3578 comm="gnome-power-manager "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.31" (uid=1000 pid=3623 comm="/usr/lib/gvfs/gvfs-gphoto2-volume-monitor "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.30" (uid=0 pid=3654 comm="/USR/SBIN/CRON "))
Jul 31 00:00:14 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.38" (uid=1000 pid=4111 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.39" (uid=1000 pid=3558 comm="gnome-panel "))

Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.6" (uid=0 pid=2948 comm="/usr/lib/hal/hald-addon-cpufreq "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.19" (uid=1000 pid=3381 comm="x-session-manager "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.5" (uid=0 pid=2945 comm="/usr/lib/hal/hald-addon-storage "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.18" (uid=1000 pid=3449 comm="/usr/bin/pulseaudio --start "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.17" (uid=1000 pid=3452 comm="/usr/lib/libgconf2-4/gconfd-2 "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.28" (uid=1000 pid=3842 comm="/usr/lib/gvfs/gvfs-hal-volume-monitor "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.16" (uid=1000 pid=3446 comm="/usr/bin/pulseaudio --start "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.15" (uid=0 pid=2976 comm="/usr/sbin/gdm "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 2 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.1" (uid=0 pid=2808 comm="/usr/sbin/console-kit-daemon "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.14" (uid=1000 pid=3368 comm="/usr/bin/gnome-keyring-daemon --daemonize --login "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.25" (uid=1000 pid=3805 comm="/usr/lib/tracker/trackerd "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a"))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.24" (uid=1000 pid=3813 comm="nm-applet --sm-disable "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.35" (uid=1000 pid=3956 comm="/usr/lib/fast-user-switch-applet/fast-user-switch-"))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.23" (uid=1000 pid=3817 comm="gnome-power-manager "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.22" (uid=1000 pid=3815 comm="update-notifier --startup-delay=60 "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.33" (uid=1000 pid=3896 comm="/usr/lib/tracker/tracker-indexer "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 2 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.10" (uid=0 pid=3024 comm="/sbin/wpa_supplicant -u -f /var/log/wpa_supplicant"))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.31" (uid=1000 pid=3800 comm="nautilus "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.30" (uid=1000 pid=3858 comm="/usr/lib/gvfs/gvfs-gphoto2-volume-monitor "))
Jul 31 01:00:16 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.37" (uid=1000 pid=3539 comm="gnome-panel "))
Jul 31 01:00:17 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.38" (uid=0 pid=3972 comm="/usr/lib/NetworkManager/nm-dispatcher.action "))
Jul 31 01:00:23 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.39" (uid=1000 pid=4038 comm="/usr/lib/firefox-3.0.12/firefox "))
Jul 31 01:00:30 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.40" (uid=1000 pid=4066 comm="gnome-screensaver "))
Jul 31 01:00:40 nb-riccardo dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.36" (uid=1000 pid=3953 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.41" (uid=1000 pid=3812 comm="python /usr/share/system-config-printer/applet.py "))

Hope this is useful, i'm just a new user.