Quote Originally Posted by dartmusic
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For now I'm going to wait a few more weeks for the stable Dapper release and try compiz, but for now I need to disable all of this stuff so as not to constantly be disrupted by lockups and such. Do I simply remark out the two new lines that were added at the end of the xorg.conf file? Is there something else? I'm running this on an HP zd7000 series notebook with an Nvidia video card.

Thanks again.
Yup. Just comment out the "Composite" "Enable" bit, and don't try to load xcompmgr