Problème avec kmix

Bonjour,
Bonjour,
Au lancement kmix n'apparaît pas dans la barre des tâches même en le demandant à partir du menu.Dans monitor système,on voit qu'il est lancé.
Par contre en console en root,l'icone va dans la barre des tâches.
Voila les logs en console:
$ kmix
QMetaObject::invokeMethod: No such method KMixApp::loadCommandLineOptionsForNewInstance()
kmix(8323)/kdeui (KIconLoader) KSharedDataCache::Private::mapSharedMemory: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase
QVariantMap DBusMenuExporterDBus::GetProperties(int, const QStringList&): Condition failed: action
Logs en root:

$ sudo kmix
[sudo] password for alain:
Error: "/var/tmp/kdecache-alain" is owned by uid 1000 instead of uid 0.
QMetaObject::invokeMethod: No such method KMixApp::loadCommandLineOptionsForNewInstance()
Error: "/tmp/kde-alainT3MDRn" is owned by uid 1000 instead of uid 0.
Error: "/tmp/kde-alainT3MDRn" is owned by uid 1000 instead of uid 0.
Error: "/tmp/ksocket-alainxRr0Yd" is owned by uid 1000 instead of uid 0.
Error: "/tmp/kde-alainT3MDRn" is owned by uid 1000 instead of uid 0.
kdeinit4: Shutting down running client.
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
Error: "/tmp/ksocket-alainxRr0Yd" is owned by uid 1000 instead of uid 0.
Error: "/tmp/kde-alainT3MDRn" is owned by uid 1000 instead of uid 0.
Error: "/var/tmp/kdecache-alain" is owned by uid 1000 instead of uid 0.
QMetaObject::invokeMethod: No such method KUniqueApplication::loadCommandLineOptionsForNewInstance()
kbuildsycoca4 running...
Error: "/var/tmp/kdecache-alain" is owned by uid 1000 instead of uid 0.
Error: "/var/tmp/kdecache-alain" is owned by uid 1000 instead of uid 0.
Error: "/var/tmp/kdecache-alain" is owned by uid 1000 instead of uid 0.
QMetaObject::invokeMethod: No such method KUniqueApplication::loadCommandLineOptionsForNewInstance()
QSystemTrayIcon::setVisible: No Icon set
alain@alain-EP31-DS3L ~ $ QDBusConnection: name 'org.kde.kglobalaccel' had owner '' but we thought it was ':1.6'
Error: "/tmp/kde-alainT3MDRn" is owned by uid 1000 instead of uid 0.
Merci pour votre aide.
Utilisation sous Mint/Gnome