Connection for controluser as defined in your configuration failed. phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection.
You should check the host, username and password in your configuration and make sure that they correspond to the information given.
1 Find the line $cfg['Servers'][$i]['password']='' and change this to
$cfg['Servers'][$i]['password']='NO'.
try opening phpMyAdmin again, and hopefully the message will now read "Access denied for user 'root'@'localhost' (using password: YES)