Here is my log file.

X Window System Version 7.2.0
Release Date: 22 January 2007
X Protocol Version 11, Revision 0, Release 7.2
Build Operating System: Linux Ubuntu
Current Operating System: Linux cicero 2.6.20-16-generic #2 SMP Sun Sep 23 19:50:39 UTC 2007 i686
Build Date: 04 April 2007
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	to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Oct 20 08:26:14 2007
(==) Using config file: "/etc/X11/xorg.conf"
Parse error on line 1 of section (null) in file /etc/X11/xorg.conf
	"nvidia-xconfig:" is not a valid keyword in this section.
(EE) Problem parsing the config file
(EE) Error parsing the config file

Fatal server error:
no screens found
(WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor
(WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor
(WW) xf86OpenConsole: VT_GETSTATE failed: Bad file descriptor


And here is the xorg.conf is question