Problem when run script/server

hello, I have some problem when run command “ruby script/server” to
display website on localhost:3000

first I create rails by “rails demo” and then I “cd” to demo and use
command “ruby script/server”

=> Booting WEBrick
=> Rails 2.3.2 application starting on
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2009-04-25 23:46:59] INFO WEBrick 1.3.1
[2009-04-25 23:46:59] INFO ruby 1.8.6 (2007-09-24) [i386-mswin32]
[2009-04-25 23:46:59] INFO WEBrick::HTTPServer#start: pid=2148

then I go to web browser and type “http://localhost:3000/” but it show
me page load error

Connection Interrupted
The connection to the server was reset while the page was loading.
The network link was interrupted while negotiating a connection. Please
try again.

this is my version of ruby

ruby 1.8.6 (2007-09-24 patchlevel 111) [i386-mswin32]
gem 1.3.2
rails 2.3.2
WEBrick 1.3.1