I think you misread the README file... Here is what it says, but I also happened to fix the problem while it crashed with your idea of having those two load as well (i tried it just to make sure
Device section and replace the line:
In the Module section, make sure you have:
You should also remove the following lines:
if they exist. There are also numerous options that can be added to
the XF86Config file to fine-tune the NVIDIA XFree86 driver. Please see
Appendix D for a complete list of these options.
The way it worked for me was that while it was crashed, and I had the edited XF86Config-4 file already in place, I tried once more to run the install application and it did everything like before, except now the logo shows up and it loads !!!!