--- usernode.install.orig	2007-09-11 06:28:12.000000000 -0700
+++ usernode.install	2007-10-10 11:39:55.000000000 -0700
@@ -40,6 +40,10 @@ function usernode_uninstall() {
                      "WHERE n.type = '". USERNODE_CONTENT_TYPE ."'");
 
   while ($user = db_fetch_object($result)) {
+	// after the module is uninstalled via admin > modules, the usernode.module file is nolonger
+	// included, so calling usdenode_delete_node() generates an "undefined function" error
+	// I aded the include_once so the "uninstall" feature would work
+	include_once('usernode.module');
     usernode_delete_node($user);
   }