--- C:\Users\stnu\AppData\Local\Temp\p4v\EAW14DL386_perforce_1666\enfocus-webdev\Drupal7\Main\www\sites\all\modules\contrib\administerusersbyrole\administerusersbyrole#1.module	2014-08-07 13:52:25.905000000 +0200
+++ C:\Users\stnu\AppData\Local\Temp\p4v\EAW14DL386_perforce_1666\enfocus-webdev\Drupal7\Main\www\sites\all\modules\contrib\administerusersbyrole\administerusersbyrole#2.module	2014-08-07 13:54:10.789000000 +0200
@@ -155,16 +155,14 @@
 }
 
 /**
- * Implements hook_user_update().
+ * Implements hook_user_presave().
  */
-function administerusersbyrole_user_update(&$edit, $account, $category) {
+function administerusersbyrole_user_presave(&$edit, $account, $category) {
   if ($category === 'account') {
     if (!_administerusersbyrole_can_edit_user($account)) {
-      if (isset($edit['status'])) {
-        $action = $edit['status'] ? t('unblock') : t('block');
-        drupal_set_message(t('You do not have permission to !action %user.', array('!action' => $action, '%user' => $account->name)), 'error');
-        unset($edit['status']);
-      }
+      drupal_set_message(t('You do not have permission to alter %user.', array('%user' => $account->name)), 'error');
+      // clear every possible change
+      $edit = array();
     }
   }
 }