Index: /branches/dev/data/downloads/module/security/security.php
===================================================================
--- /branches/dev/data/downloads/module/security/security.php	(revision 12111)
+++ /branches/dev/data/downloads/module/security/security.php	(revision 12112)
@@ -28,11 +28,13 @@
     if(sfIsNormalInstallInc()) {
         if(copy($inst_inc, $hidden_inc)) {
-	        $require = "<?php\n".
-	        		   "    require_once($hidden_inc);\n".
-	        		   "?>";
-	        if($fp = fopen($inst_inc,"w")) {
-				fwrite($fp, $require);
-				fclose($fp);
-	        }
+            if(file_exists($hidden_inc)) {
+		        $require = "<?php\n".
+		        		   "    require_once($hidden_inc);\n".
+		        		   "?>";
+		        if($fp = fopen($inst_inc,"w")) {
+					fwrite($fp, $require);
+					fclose($fp);
+		        }
+            }
         }
 	}