firefox as user

Hy, Firefox won't work as user, as root no problem.... Just update from suse 10 to 10.1 What to do? gje@linux:~> firefox /usr/bin/firefox: line 159: 7263 Segmentatie fout $AOSS $MOZ_PROGRAM $@ -- thanks, Gerrit Jan KDE-versie: 3.5.2 Level "a" Systeem: SuSELinux 10.1 Kernel: 2.6.16.13-4-default