Hi, Can you please tell us if and how you can reproduce this behaviour. Can you try to start kdesktop_lock ( type "kdesktop_lock --forcelock" ) from a terminal and send us the output it generates ? Can you also please look at http://kde-debian.fooishbar.org/~domi/debugging-kde-crash.html and follow the instructions there to obtain more information about the crash ?
thanks domi
