installing php4 in windows 2000

i have configured apache 2.0.49 in my system and included the following lines of code in my http:conf file LoadModule php4_module "c:/php/sapi/php4apache2.dll" AddType application/x-httpd-php .php i have also configured the php.ini file and created a test script(phpinfo.php,placed it in my htdocs directory) to check whether php has been properly installed or not but when i run the testscript by entering the follwoing line in the address bar of internet explorer localhost/phpinfo.php i get the following error message HTTP 404 - File not found Internet Explorer can somebody please help me to know where am i going wrong