http://localhost/file:///C:/wamp/www...helloworld.php

i used this url and

Forbidden

You don't have permission to access /file:///C:/wamp/www/php_sandbox/helloworld.php on this server.

pops up :( help

the code used there is

Code:
<html>



    <head>

        <title>Hello World</title>

    </head>
...