I am trying to design my website using joomla. when i was installing MySQL 5.1.48-winx64 in windows 7, i was stuck with following error message.....does anybody hav any idea about it.......

I opened the TCP port 3306 in windows firewall too, but it didnt resolve the problem

Error message

MySQL server instance configuration

The security settings could not be applied.

 Error number 1045.

 Acess denied for user. 'root@localhost' (using password: YES) ...