Uwamp installation

When i am run shopware uwamp package i got these errors. Fatal error: Uncaught exception ‘PDOException’ with message ‘SQLSTATE[HY000] [1045] Access denied for user ‘root’@‘localhost’ (using password: YES)’ in C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Zend\Db\Adapter\Pdo\Abstract.php:129 Stack trace: #0 C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Zend\Db\Adapter\Pdo\Abstract.php(129): PDO->__construct(‘mysql:dbname=sh…’, ‘root’, ‘root’, Array) #1 C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Zend\Db\Adapter\Pdo\Mysql.php(109): Zend_Db_Adapter_Pdo_Abstract->_connect() #2 C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Enlight\Components\Db\Adapter\Pdo\Mysql.php(92): Zend_Db_Adapter_Pdo_Mysql->_connect() #3 C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Zend\Db\Adapter\Abstract.php(315): Enlight_Components_Db_Adapter_Pdo_Mysql->_connect() #4 C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Shopware\Bootstrap.php(155): Zend_Db_Adapter_Abstract->getConnection() #5 [internal function]: Shopware_Bootstrap->i in C:\Users\vijayaraj\Downloads\uwamp_4.0.3\www\engine\Library\Enlight\Components\Db\Adapter\Pdo\Mysql.php on line 101 can someone tell me how to correct these errors.