Sounds like a version problem. PHP's dll's can not be shared between 5.0.x and 5.2.x Make sure you delete all copies of dll's from version 5.0. This includes copies in \windows\system32 or other directories included in your path or bin directory for apache. - Frank > Hi all, > > > > I was running PHP 5.0.3RC with mysql. Then I upgraded to PHP 5.2.0 and > include PDO. > > > > On 5.0.3, mysql works fine, but PDO doesn't. > > > > On 5.2.0, mysql doesn't work and PDO does. > > > > Apache keeps throwing out cannot find the specified module errors. > > > > Any ideas? > > > > Thanks, > > Dale > > > > /* Config */ > > $OS = 'Win XP'; > > $Webserver = 'Apache 1.3.27'; > > -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php