Now it says sqlite.dll is missing... how to solve?

Rails
1

i pretty much follow everything from

http://agilo.us/2009/03/15/rails-on-windows/

except i used

gem install -v1.2.3 sqlite3-ruby

and now if i create a new project and use

http://localhost:3000

and click on

a javascript dialog pops up saying sqlite3.dll is missing.

anyone knows how to solve this? thanks.