Find config.inc
file under C:\wamp\apps\phpmyadmin3.5.1
Inside this file find
this one line
$cfg['Servers'][$i]['password'] =";
and replace it with
$cfg['Servers'][$i]['password'] = 'Type your root password here';
Find config.inc
file under C:\wamp\apps\phpmyadmin3.5.1
Inside this file find
this one line
$cfg['Servers'][$i]['password'] =";
and replace it with
$cfg['Servers'][$i]['password'] = 'Type your root password here';