Thread: problem installing cp3.1.3

problem installing cp3.1.3

I just installed a fresh wp 3.2.1 and then I install cp3.1.3 and
i get this error message:

Fatal error: Uncaught exception 'Exception' with message 'Facebook needs the CURL PHP extension.' in C:\xampp\htdocs\xxx\wp-content\themes\classipress-313\includes\lib\fb\facebook.php:20 Stack trace: #0 C:\xampp\htdocs\xxx\wp-content\themes\classipress-313\includes\theme-facebook.php(61): require_once() #1 [internal function]: cp_facebook_instance('') #2 C:\xampp\htdocs\xxx\wp-includes\plugin.php(405): call_user_func_array('cp_facebook_ins...', Array) #3 C:\xampp\htdocs\xxx\wp-settings.php(302): do_action('init') #4 C:\xampp\htdocs\xxx\wp-config.php(90): require_once('C:\xampp\htdocs...') #5 C:\xampp\htdocs\xxx\wp-load.php(29): require_once('C:\xampp\htdocs...') #6 C:\xampp\htdocs\xxx\wp-admin\admin.php(30): require_once('C:\xampp\htdocs...') #7 C:\xampp\htdocs\xxx\wp-admin\themes.php(10): require_once('C:\xampp\htdocs...') #8 {main} thrown in C:\xampp\htdocs\xxx\wp-content\themes\classipress-313\includes\lib\fb\facebook.php on line 20

please help.