Found the solution after digging around in class-order-export.php, add the following in your functions.php template file:
function my_delimiter() {
$del = chr(9);
return $del;
}
add_filter ('wpg_delimiter', 'my_delimiter');
Same problem here, files uploaded from product pages goes into /wp-content/upload, I always have to manually move them to /wp-content/uploads/wpsc/downloadables.
Something wrong in ajax.functions.php?
Store URL: http://www.erikacountrypainting.com
WordPress version: 3.9.3
WP eCommerce version: 3.8.14.1
Theme: Boutique from Elegant Themes
Let me know what else I can test/provide to debug this issue, thank you in advance.