Sure, sure. Everything you can do to avoid support calls is valuable. That doesn't mean you shouldn't avoid the opportunity to educate your customers: I would have first opted for a customized HTTP_INTERNAL_SERVER_ERROR.html (or whatever your 500 template is), including links to an FAQ entry detailing how to upload programs.
in reply to Re^2: (OT) Fixing Line Endings
in thread (OT) Fixing Line Endings