XP Install

Getting the following when attempting to access: http://localhost/wordpress/wp-admin/install.php

define(‘DB_NAME’, ‘wordpress’); // The name of the database define(‘DB_USER’, ‘root’); // Your MySQL username define(‘DB_PASSWORD’, ”); // …and password define(‘DB_HOST’, ‘localhost’); // 99% chance you won’t need to change this value
Warning: main(ABSPATH/wp-admin/admin-functions.php) [function.main]: failed to open stream: No such file or directory in C:\xampplite\htdocs\Wordpress\wp-admin\upgrade-functions.php on line 3

Fatal error: main() [function.require]: Failed opening required ‘ABSPATH/wp-admin/admin-functions.php’ (include_path=’.;\xampplite\php\pear\’) in C:\xampplite\htdocs\Wordpress\wp-admin\upgrade-functions.php on line 3