--- a/includes/plugins.php	Thu May 14 11:34:24 2009 -0400
+++ b/includes/plugins.php	Fri May 15 13:31:12 2009 -0400
@@ -80,7 +80,7 @@
     
     foreach ( $plugin_list as $filename => $data )
     {
-      if ( $data['status'] & PLUGIN_OUTOFDATE || $data['status'] & PLUGIN_DISABLED )
+      if ( $data['status'] & PLUGIN_OUTOFDATE || $data['status'] & PLUGIN_DISABLED || ( !$data['installed'] && !$data['system plugin'] ) )
         continue;
       
       $this->load_list[] = $filename;