kde4beta!

Voila!
j'ai installé kde4 (les binaires en rpm), sur redhat 5
en fait j'ai mis startkde dans .xinitrc
et j'ai lancer startx , ça fait la même chose.
Quelqu'un aurait il une suggestion?

[root@localhost bin]# startkde
kwmsound: error in loading shared libraries
/opt/kde/lib/libkdecore.so.0: undefined symbol: _vt.11QPushButton
kaudioserver: error in loading shared libraries
/opt/kde/lib/libkdecore.so.0: undefined symbol: _vt.11QPushButton
kcontrolkbgndwm: error in loading shared libraries
/opt/kde/lib/libkdecore.so.0: undefined symbol: _vt.11QPushButton
kwm: error in loading shared libraries
/opt/kde/lib/libkdecore.so.0: undefined symbol: _vt.11QPushButton
: error in loading shared libraries
: undefined symbol: _vt.6QFrame
[root@localhost bin]# krootwm: error in loading shared libraries
/opt/kde/lib/libkdecore.so.0: undefined symbol: _vt.11QPushButton
kfmkpanel: error in loading shared libraries
/opt/kde/lib/libkdeui.so.0: undefined symbol:
_vt.7QSlider.12QPaintDevice
: error in loading shared libraries
/opt/kde/lib/libkdeui.so.0: undefined symbol:
_vt.7QSlider.12QPaintDevice

merci
A+
Frédo