diff -r d783214a3380 -r 21123cba7a70 src/gtkconv.c
--- a/src/gtkconv.c	Fri Mar 21 20:33:03 2003 +0000
+++ b/src/gtkconv.c	Fri Mar 21 20:59:31 2003 +0000
@@ -1961,6 +1961,9 @@
 	GtkWidget *menu;
 	GList *child;
 
+	if (g_list_find(gaim_get_windows(), win) == NULL)
+		return FALSE;
+
 	conv = gaim_window_get_active_conversation(win);