Thanks! Please drop into our forums and ask the same question and send a link if you can (if you want to keep it private, use our contact form). we'll see if we can help!
Thanks for try our plugin.
If you enabled the plugin without any changing of default values try to login with the next link: http://www.yourdomain.com/administrator?secure_key=secure_value
If you still didn't get it work, contact us: oc666 (-at-) netvision (-dot-) net (-dot-) il