[CentOS] cupsd can not start

Hi,
I have just reinstalled centos 4.2 on my comp and update everything 
(not the kernel) from update repository. The kernel has been updated 
 from centosplus repo. When i try to start cups, i get the followring 
error:
Starting cups: cupsd: Child exited with status 98!
                                                           [FAILED]
How can i fix this problem?
Thai
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