[Plugin: Facebook Comments for WordPress] Fatal Error

Tried installing the plugin, but get the following error;

Fatal error: Uncaught exception ‘Exception’ with message ‘Facebook needs the CURL PHP extension.’ in C:\xampp\htdocs\wordpress\wp-content\plugins\facebook-comments-for-wordpress\scripts\facebook.php:4 Stack trace: #0 C:\xampp\htdocs\wordpress\wp-content\plugins\facebook-comments-for-wordpress\facebook-comments.php(34): require_once() #1 C:\xampp\htdocs\wordpress\wp-admin\plugins.php(146): include(‘C:\xampp\htdocs…’) #2 C:\xampp\htdocs\wordpress\wp-admin\plugins.php(148): plugin_sandbox_scrape(‘facebook-commen…’) #3 {main} thrown in C:\xampp\htdocs\wordpress\wp-content\plugins\facebook-comments-for-wordpress\scripts\facebook.php on line 4

http://wordpress.org/extend/plugins/facebook-comments-for-wordpress/