Error 403 forbbiden on folders in my site

[rebelowner]

My site: http://www.rebelsite.x10host.com/rebel works fine but when I want access to folders (for example images)

I get this screen:

Basically say me "The site rejected show this website"
"most likely causes: This website requires a log in in it"
In x10host community nobody help me. How Can I fix that?

 

[rebelowner]

And when I add htaccess folder and refresh page appear me this

 

[smtalk]

It likely has no index.php (index.html) there If you want to list all the files in the folder, you'd need Options +Indexes in .htaccess.