This message is thrown by WordPress when there is an error in user-registration.
1. To see the actual error thrown by WordPress, go to \wordpress\wp-content\plugins\miniorange-login-openid\class-mo-openid-login-widget.php file
2. Search for the line :
//print_r($user_id);
3. Change it to
print_r($user_id);
4. Save the file and try logging again. Please send us the error you see while logging in through the support forum to your right.
