--- /tmp/kde-manda/krusaderGS3425.tmp	2010-01-19 12:49:41.251281633 +0700
+++ sites/all/modules/xsend/xsend.module	2010-01-18 22:40:14.676442900 +0700
@@ -76,7 +76,7 @@
  */
 function xsend_admin_settings() {
   $form = array();
-  if(in_array('mod_xsendfile', apache_get_modules())) {
+  if(!in_array('mod_xsendfile', apache_get_modules())) {
     drupal_set_message('X-send file module for apache2 is not installed in your system. Untill you correctly install it do not enable this module.', 'error');
   }
   else {