diff -ruN xfce4-appfinder-4.2.3.orig/src/callbacks.c xfce4-appfinder-4.2.3/src/callbacks.c
--- xfce4-appfinder-4.2.3.orig/src/callbacks.c	2005-11-05 18:04:23.000000000 +0100
+++ xfce4-appfinder-4.2.3/src/callbacks.c	2006-05-18 12:05:05.000000000 +0200
@@ -266,7 +266,7 @@
         xfce_desktop_entry_get_string (dentry, _("Comment"), TRUE, &comment);
         if (!comment)
         {
-            comment = _("N/A");
+            comment = g_strdup( _("N/A") );
         }
         
         dlg->comment = gtk_label_new(NULL);
@@ -280,7 +280,7 @@
         xfce_desktop_entry_get_string (dentry, "Categories", TRUE, &cats);
         if (!cats)
         {
-            cats = _("N/A");
+            cats = g_strdup( _("N/A") );
         }
         else
         {
@@ -300,7 +300,7 @@
         xfce_desktop_entry_get_string (dentry, "Exec", TRUE, &exec);
         if (!exec)
         {
-            exec = _("N/A");
+            exec = g_strdup( _("N/A") );
         }
         dlg->exec = gtk_label_new(NULL);
         gtk_label_set_markup (GTK_LABEL(dlg->exec), g_strconcat(_("<b>Command:</b> "), exec, NULL));