Did you configure your MySQL with your Apache and PHP? Can you please give me a page of your server where I can see PHP Info on that ?

Also you can create a file like phpinfo.php

<?
echo phpinfo();
?>
VIPMember Reviewed by VIPMember on . vBulletin 4.0.5 Help pls vBulletin 4.0.5 requires that the MySQL functions in PHP be available. Please ask your host to enable this. i have installed everything..php mysql..still its giving thes error.. Rating: 5