tjzero

急，求救，我的gnome的首选项-主题无法启动

提示出现错误窗口

The default theme schemas could not be found on.
This means that you probably don't have metacity installed,
or that your gconf is configured incorrectly.

到底怎么设置，才能正常启动
我现在无法使用主题了。。。如何修改