gconf error

["Bayu Kurniawan" <bkurniawan scu co id>]

help me, i can't run application such as firefox, 
terminal, gnome session.

i look at sistem log :
Jul 24 14:05:26 bayoe gconfd (root-7636): starting 
(version 2.18.0.1), pid 7636 user 'root'
Jul 24 14:05:26 bayoe gconfd (root-7636): Resolved address 
"xml:readonly:/etc/gconf/gconf.xml.mandatory" to a 
read-only configuration source at position 0
Jul 24 14:05:26 bayoe gconfd (root-7636): Resolved address 
"xml:readwrite:/root/.gconf" to a writable configuration 
source at position 1
Jul 24 14:05:26 bayoe gconfd (root-7636): Resolved address 
"xml:readonly:/etc/gconf/gconf.xml.defaults" to a 
read-only configuration source at position 2
Jul 24 14:05:26 bayoe gconfd (root-7636): Resolved address 
"xml:readonly:/var/lib/gconf/debian.defaults" to a 
read-only configuration source at position 3
Jul 24 14:05:26 bayoe gconfd (root-7636): Resolved address 
"xml:readonly:/var/lib/gconf/defaults" to a read-only 
configuration source at position 4
Jul 24 14:05:56 bayoe gconfd (root-7636): GConf server is 
not in use, shutting down.
Jul 24 14:05:56 bayoe gconfd (root-7636): Exiting

Output of ps jaxwww | grep gconf : 
6976  6989  6989  6976 pts/2     7662 T        0   0:00 vi 
gconf.xml.defaults/
 6976  7011  7011  6976 pts/2     7662 T        0   0:00 
vi gconf.xml.defaults/
 6976  7663  7662  6976 pts/2     7662 R+       0   0:00 
grep gconf

operating system : kubuntu-feisty(7.04)



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