Change the and to an or and add an isset

resources/check_auth.php

@@ -43,7 +43,7 @@
 	if (!isset($_SESSION['template_content'])) { $_SESSION["template_content"] = null; }
 
 //if the session is not authorized then verify the identity
-	if (!isset($_SESSION['authorized']) && !$_SESSION['authorized']) {
+	if (!isset($_SESSION['authorized']) || (isset($_SESSION['authorized']) && !$_SESSION['authorized'])) {
 
 		//clear the menu
 			unset($_SESSION["menu"]);