I'm using wp 3.9.1 on my windows PC
its able to access wp-load.php and able to run queries.
But i use that in website its unable to access database. and got these error.
Warning: mysql_real_escape_string(): Access denied for user ''@'localhost' (using password: NO) in /home/public_html/ajx.php on line 13
Warning: mysql_real_escape_string(): A link to the server could not be established in /home/public_html/ajx.php on line 13