a{color:red;}
Uncaught exception: 'The PDO extension is required for this adapter but not loaded'

More information
In C:\www\p0.com.my\piwik\libs\Zend\Db\Adapter\Pdo\Abstract.php on line 95
Backtrace:
#0 C:\www\p0.com.my\piwik\libs\Zend\Db\Adapter\Abstract.php(228): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 C:\www\p0.com.my\piwik\modules\Piwik.php(834): Zend_Db_Adapter_Abstract->getConnection()
#2 C:\www\p0.com.my\piwik\modules\FrontController.php(315): Piwik::createDatabaseObject()
#3 C:\www\p0.com.my\piwik\index.php(51): Piwik_FrontController->init()
#4 {main}document.getElementById('div9501228').style.display='none';
You can get help from http://piwik.org (give us the full error message + your PHP and Mysql version)

And this exception raised another exception "No entry is registered for key 'logger_exception'"