nm-applet does not appears on the init bar. I must enter sudo nm-applet to get it!! each restart xfce4 session

[daniel]

WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-0FAbAjyeIC: Conexión rehusada
daniel@daniel-G41MT-S2PT:~$ [0308/104647.810720:ERROR:object_proxy.cc(583)] Failed to call method: org.freedesktop.UPower.GetDisplayDevice: object_path= /org/freedesktop/UPower: org.freedesktop.DBus.Error.UnknownMethod: Method "GetDisplayDevice" with signature "" on interface "org.freedesktop.UPower" doesn't exist

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: dbus 1.6.18-0ubuntu4.5
ProcVersionSignature: Ubuntu 4.4.0-64.85~14.04.1-lowlatency 4.4.44
Uname: Linux 4.4.0-64-lowlatency i686
NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.14.1-0ubuntu3.23
Architecture: i386
CurrentDesktop: XFCE
Date: Wed Mar 8 10:46:08 2017
InstallationDate: Installed on 2017-02-21 (14 days ago)
InstallationMedia: Ubuntu-Studio 14.04.5 LTS "Trusty Tahr" - Release i386 (20160803.1)
SourcePackage: dbus
UpgradeStatus: No upgrade log present (probably fresh install)

[daniel (danielbeltran)]

I wait for your answer