Have you finished the following step?
Running Live Support web in your browser. Log in as "admin", add one or more operators to your site.
Log in as "admin" using the default admin credentials, click the chat admin button.
The default admin credentials are:
UserName: admin
Password: admin
In the Cute Chat Administration Console, add one or more chat operators to your site.
The latest release is v5.1, you can download our latest version and test it:
Best Regards,
Eric