j'ai essayé d'installer mysql server 5.1 sous windows 7 mais lors de l'installation je trouve cette erreur

the security settings could not be applied to the database because the connection has failed with the following error.
Error Nr .1146 table 'mysql.servers'doesn't exist
if a personal firewall is running on your machine. please make sur you have opened the TCP PORT 3306
FOR COONECTIONS.oTHERWISE NO CLIENT APPLICATION can connect to the server. After you have opened the port please press [Retry] to apply the security setting
j'ai désactivé pare_feu mais même erreur

merci d'avance