No more programs as SU after messing with locales

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http://forums.fedoraforum.org – I cannot run a few applications (konqueror, dolphin, kwrite and others) as superuser. This appened after I messed with localed following instructions of this tread: http://www.fedoraforum.org/forum/sho...58&postcount=6 What I basically did was (in /usr/share/i18n/locales/ ) mkdir locale localedef -c -i it_IT_modified -f UTF-8 locale/it_IT.utf8@iso su -c 'cp -r locale/it_IT.utf8\@iso /usr/lib/locale' and then edited /etc/sysconfig/i18n, setting LANG="it_IT.utf8@iso" I have tryed to set back i18n to LANG="en_US.UTF-8", but with no luck. Any help to get konqueror and other programs running again as SU? Thanks (HowTos)