kuser(19607)/kdeui (kdelibs): Session bus not found 
To circumvent this problem try the following command (with Linux and bash) 
export $(dbus-launch) 
KCrash: Application 'kuser' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
KCrash: Connect sock_file=/root/.kde4/socket-hostname/kdeinit4__0
Warning: connect() failed: : Aucun fichier ou dossier de ce type
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi directly
drkonqi(19608)/kdeui (kdelibs): Session bus not found 
To circumvent this problem try the following command (with Linux and bash) 
export $(dbus-launch)