Lighttpd

I get the following error when I try to launch lighttpd with Ruby as FastCGI Backend on windows PC:
(Note: Although the message says "execve failed for: C:\work\public\dispatch.fcgi No such file or directory", the file 'C:\work\public\dispatch.fcgi' exists.)

C:\work>2007-02-07 14:53:01: (mod_fastcgi.c.989) execve failed for: C:\work\public\dispatch.fcgi No such file or directory
2007-02-07 14:53:01: (mod_fastcgi.c.1015) the fastcgi-backend C:\work\public\dispatch.fcgi failed to start:
2007-02-07 14:53:01: (mod_fastcgi.c.1019) child exited with status 2 C:\work\public\dispatch.fcgi
2007-02-07 14:53:01: (mod_fastcgi.c.1022) if you try do run PHP as FastCGI backend make sure you use the FastCGI enabled version.
You can find out if it is the right one by executing 'php -v' and it should display '(cgi-fcgi)' in the output, NOT (cgi) NOR (cli)
For more information check http://www.lighttpd.net/documentation/fastcgi.html#preparing-php-as-a-fastcgi-program
2007-02-07 14:53:01: (mod_fastcgi.c.1027) If this is PHP on Gentoo add fastcgi to the USE flags
2007-02-07 14:53:01: (mod_fastcgi.c.1314) [[ERROR]]: spawning fcgi failed.
2007-02-07 14:53:01: (server.c.702) Configuration of plugins failed. Going down.

I tried launching the server from within "C:\work\public" by changing all references to dispatch.fcgi to relative path, but no luck.

---------------------------------------------------------------------------------
My lighttpd.conf file looks like:

server.port = 4000
server.bind = "172.24.44.128" 

# server.event-handler = "freebsd-kqueue" # needed on OS X
server.modules = ( "mod_rewrite", "mod_fastcgi" )
url.rewrite = ( "^/$" => "index.html", "^([[^.]]+)$" => "$1.html" )

server.error-handler-404 = "C:\work\public\dispatch.fcgi" 
server.document-root = "C:\work\public" 
server.errorlog = "C:\work\log\server.log" 
static-file.exclude-extensions = ( ".php", ".pl", ".fcgi", ".scgi" )

fastcgi.server = ( ".fcgi" =>
( "172.24.44.128" =>
(
"min-procs" => 10,
"max-procs" => 10,
"socket" => "C:\work\application.fcgi.socket",
"bin-path" => "C:\work\public\dispatch.fcgi",
"bin-environment" => ( "RAILS_ENV" => "development" )
)
)
)

-- Ashwin