Plasma media center nie uruchamia się

Gdy próbuję uruchomić w terminalu to takie błędy wyświetla

~$ plasma-mediacenter
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
Bus::open: Can not get ibus-daemon's address.
IBusInputContext::createInputContext: no connection to ibus-daemon
PLASMA_ADAPTER: Setting Oxygen Plasma theme and loading resources...
Failed to load Plasma Libraries, cannot continue.
KCrash: Application 'plasma-mediacenter' crashing...
KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
sock_file=/home/krzysztof/.kde/socket-kubuntu/kdeinit4__0
unnamed app(2398): Communication problem with "plasma-mediacenter" , it probably crashed.
Error message was: "org.freedesktop.DBus.Error.NoReply" : " "Message did not receive a reply (timeout by message bus)" "
 
krzysztof@kubuntu:~$ QSocketNotifier: Invalid socket 30 and type 'Read', disabling...
Unable to start Dr. Konqi
Re-raising signal for Apport handling.