Hello, under some circonstances, the startkde script goes through the following code. 417 if [ -n $KGTK_PRELOAD ]; then 418 if [ -e /usr/lib/libnspr4.so ]; then 419 KGTK_NSPR_PRELOAD="/usr/lib/libnspr4.so:" 420 fi 421 export LD_PRELOAD=$KGTK_PRELOAD:$KGTK_NSPR_PRELOAD$LD_PRELOAD 422 fi The problem is that, under RHEL/Fedora, the library "/usr/lib/libnspr4.so" (if present) is compiled for x86, not x86_64. So every command I use in the konsole gives the following warning: ERROR: ld.so: object '/usr/lib/libnspr4.so' from LD_PRELOAD cannot be preloaded: ignored. The correct path for x86_64 should be "/usr/lib64/libnspr4.so". As a quick fix, I suggest the following change: if [ -n $KGTK_PRELOAD ]; then if [ -e /usr/lib64/libnspr4.so ]; then KGTK_NSPR_PRELOAD="/usr/lib64/libnspr4.so:" elif [ -e /usr/lib/libnspr4.so ]; then KGTK_NSPR_PRELOAD="/usr/lib/libnspr4.so:" fi export LD_PRELOAD=$KGTK_PRELOAD:$KGTK_NSPR_PRELOAD$LD_PRELOAD fi Any better solution is welcome :) Thanks Francois Andriot