Open include/config.php
Code:
//== Cookie setup
$INSTALLER09['cookie_prefix'] = ''; // This allows you to have multiple trackers, eg for demos, testing etc.
$INSTALLER09['cookie_path'] = ''; // ATTENTION: You should never need this unless the above applies eg: /tbdev
$INSTALLER09['cookie_domain'] = ''; // set to eg: .somedomain.com or is subdomain set to: .sub.somedomain.com
$INSTALLER09['domain'] = 'domain.com'; <= no www. just add domain
//==
also you need to open cache/staff_settings2.php edit with username