All fixed, there are solutions to that errors.
Fix for You cannot register twice error: Open class.users.php, there should be if($engine->num_rows("SELECT * FROM users WHERE ip_reg = '" . $_SERVER['REMOTE_ADDR'] . "'") == 1) on line 104. Replace 1 with 2.
How to be a admin: Go back to...
This is the errors i get:
Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\global.php on line 312 (on all pages)
Fatal error: Call to a member function formatUsername() on a non-object in C:\xampp\htdocs\allseeingeye\pages\cfhs.php on line 125 (when...