can not start KDE4

Hi, i am a newbie, well I installed all the nvidia drivers, everything worked fantastik, until I tried to install a game from the repository, while downloading it asked me to insert the suse cd into the cd-rom, since i borrowed the cd to a friend of mine i decided to cancel the operation and to instal the game later. So everything was nice until the next restart, then i’ve got this message:
Cannot mix incompatible QT libraries Kded(3189):Communication problem with Kded-it probably crashed
error message was: org.freedesktop.DBus.error.NoReply message did not receive a reply (timeout by message bus)
Can anyone help me?
I’ve tried to do something what i’ve read on forums but with no success. Thank You

Hi,

You can try running yast in text mode from the command line. Then reconfigure Hardware - Graphics Card and Monitor.

Then try running sax2

hth
J