Accessing any of those shows stack backtrace of a null-pointer dereference in fhost.c on line 139.
Looks like the site owner just purged everything they host and changed some rules in the last 24 hours, I now get a user agent error trying to re-upload. Wonderful.
That stack trace is fake btw, just means 404.
Let it go. He made a frustrated remark in a support thread 14 years ago where the OP escalated into calling him deliberately rude. Even if he hadn't changed at all over the years he has been contributing to open source with a product used by nontechnical people for 2 decades and deserves some grace for that.