--- a/pidgin/plugins/win32/transparency/win2ktrans.c Fri Oct 05 06:24:13 2007 +0000 +++ b/pidgin/plugins/win32/transparency/win2ktrans.c Fri Oct 05 14:13:59 2007 +0000 @@ -229,7 +229,7 @@ conversation_delete_cb(PurpleConversation *conv) { PidginWindow *win = pidgin_conv_get_window(PIDGIN_CONVERSATION(conv)); /* If it is the last conversation in the window, cleanup */ - if (pidgin_conv_window_get_gtkconv_count(win) == 1) + if (win != NULL && pidgin_conv_window_get_gtkconv_count(win) == 1) cleanup_conv_window(win); }