diff --git a/admin/judges_sa_launcher.php b/admin/judges_sa_launcher.php
index 8832481..c28aa39 100644
--- a/admin/judges_sa_launcher.php
+++ b/admin/judges_sa_launcher.php
@@ -2,4 +2,5 @@
 exec("nice php judges_sa.php >/dev/null 2>&1 &");
 usleep(1000000); // 1 second to allow the judges_sa to update the % status to 0% otherwise the status page will think its not running if it gets there too soon
 header("Location: judges_scheduler_status.php");
+exit;
 ?>
diff --git a/register_judges.php b/register_judges.php
index 9fe8ef8..1e32d35 100644
--- a/register_judges.php
+++ b/register_judges.php
@@ -55,6 +55,7 @@
 
 		//now redirect to jduges main
 		header("Location: register_judges_main.php");
+		exit;
 	}
 
 
@@ -72,6 +73,7 @@
 			$_SESSION['judges_lastlogin']=$r->lastlogin;
 			mysql_query("UPDATE judges SET lastlogin=NOW() WHERE id='$r->id'");
 			header("Location: register_judges_main.php");
+			exit;
 		}
 		else
 		{
@@ -120,7 +122,10 @@
  }
 
  if($_SESSION['email'] && $_SESSION['judges_id'])
+ {
  	header("Location: register_judges_main.php");
+	exit;
+ }
 
  send_header("Judges Registration");
 
diff --git a/register_participants.php b/register_participants.php
index 210eff0..9b986c1 100644
--- a/register_participants.php
+++ b/register_participants.php
@@ -129,6 +129,7 @@
  if($_SESSION['registration_number'] && $_SESSION['registration_id'] && $_SESSION['email'])
  {
 	header("Location: register_participants_main.php");
+	exit;
 
  }
 
diff --git a/schoolinvite.php b/schoolinvite.php
index 6e8e5ef..4e69efc 100644
--- a/schoolinvite.php
+++ b/schoolinvite.php
@@ -263,6 +263,7 @@ if($_SESSION['schoolid'] && $_SESSION['schoolaccesscode'])
 else
 {
 	header("Location: schoolaccess.php");
+	exit;
 }
 
 ?>