404 Not Found -- nginx/1.0.10

[Valentin V. Bartenev]

On Saturday 03 December 2011 05:58:54 mfouwaaz wrote:
> ... and it happened again.  Any clues please?  I am very new to Nginx.
> Thanks!
> 

You didn't provide any useful debug and configuration information, so
how we can help you?

Please, show your nginx config and make a debug log of your problem:
http://nginx.org/en/docs/debugging_log.html

As for now, I can make an assumption, that your problem related to a
bug in VirtualBox:
 - http://mailman.nginx.org/pipermail/nginx/2011-November/030469.html
 - http://wiki.nginx.org/Pitfalls#Config_Changes_Not_Reflected

wbr, Valentin V. Bartenev