Some problem on my FC3

[Anas]

Hi All, 

i have some problem with FC3 in my Athlon 2000
can't run oowiter, firefox/mozilla , i can't get gnome too
when i run oowriter, i got this message :
-------------------------------
sh: line 1: 11248 Segmentation fault      
LD_LIBRARY_PATH=/usr/lib/ooo-1.1:/usr/lib/ooo-1.1/program /usr/lib/ooo-1.1/program/setup 
-R:/tmp/ooo-wrapper.autoresponse.file.Q11246 -v -nogui 
>~/.openoffice-install-log 2>&1
Installation of OpenOffice.org 1.1.2 failed:
 'LD_LIBRARY_PATH=/usr/lib/ooo-1.1:/usr/lib/ooo-1.1/program /usr/lib/ooo-1.1/program/setup 
-R:/tmp/ooo-wrapper.autoresponse.file.Q11246 -v -nogui > 
~/.openoffice-install-log 2>&1'
-------------------------------

some time Kmail get crash 

at the other time, i get kde close by them self and go back to GDM 
but some application like KPPP still running 

how to fix all those problem , should i recompile the kernel or update to 
another version 
or what package should i reinstall ..

i've reinstall firefox using rpm -Uvh --force, and i get this message :
-----
warning: /media/cdrom/Fedora/RPMS/firefox-0.10.1-1.0PR1.20.i386.rpm: V3 DSA 
signature: NOKEY, key ID 4f2a6fd2
Preparing...                ########################################### [100%]
   1:firefox                ########################################### [100%]
/usr/lib/firefox-0.10.1/run-mozilla.sh: line 159: 26976 Segmentation 
fault"$prog" ${1+"$@"}
error: %post(firefox-0.10.1-1.0PR1.20.i386) scriptlet failed, exit status 139
------

i have Logitech keyboard with some additional button ( search, 
Files, ...), how to make those button work under gnome and kde 

Thx
Anas


Using : Athlon 2000, MSI KT4V mainboard, nvidia GForce