Thanks Alex, your advice resolved the issue for the op, and another user reported the same problem but I expect your advice will help them too!
Thanks again Stephen PS I’m logging this as an issue for https://github.com/racket/gui -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/13bc06cb-5b93-407d-9982-4dea49c8b90f%40googlegroups.com.