[CentOS] screen saver crash

Sun Sep 5 00:18:55 UTC 2010
ganu MailList <ganu4maillist at gmail.com>

My screen saver crash both in gnome and kde X windows when open the screen

I guess that some package needed is not installed.

I reinstall the gnome-screen but it still crashs.  How can I check which
package is not installed?
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