You might be able to do this yourself. Take a look over here:
https://groups.google.com/g/video-downloadhelper-q-and-a/c/BzPLK2YyL-s
You will probably want to bookmark that URL so you can refer to it easily, something you
will probably want to do a lot. For this specific case, do a string search on "lost" in
there. That will give you a link to click & that should fix you up. Try that with each
of your E-mail addresses. Maybe one of them will work. Do please post again to say
whether this helped. Use the Reply all button below. DO NOT USE the Reply to author
button. Reply all is the one you want. Reply all.