FreePBX first Installation trouble

Hi all,

I am trying to build an Asterisk workstation on ubuntu 10.04.

I have installed Asterisk, Apache 2 , Mysql, PHP and Freepbx. In the command line everything goes fine, asterisk starts, FOP starts , for that matter everything. , the line : to configure point to your web browser to is dispaley, when i do that it doesnt show up anything it displys error 404.

Kindly help me in spotting the trouble maker. what could have gone wrong?