I am installing drupal at http://drupal.des-us.com. It gives me the error that PDO is not enabled. I inquired with my web host, and it is enabled, which can be checked at http://web.des-us.com/test.php. They told me to contact the vendor. So why is drupal not installing here? I had installed it successfully some days before on the 26th of may.
I also have access to php.ini file, and I have checked that mbstring and pdo both are enabled.