So I created a custom post type, that's fine, created a single-custom.php and did the loop for that particular custom post type. that's fine, how ever going to:
localhost/custom/postName resualts in a 404 even just localhost/custom resualts in a 404.
So I went to the perma links page, which is set up as:
I changed it, and reset it and bla bla bla.
Still I get a 404....