> Hello, I cannot copy this site
> (http://public.servicebox.peugeot.com/pages/index.js
> p)
> I have valid credentials, but the copied site tells
> me "Your browser must accept cookies to access the
> application."
> 
> I heard correctly ticked the box in the options

don't tick any option, and don't enter any login details. Just run the HTTrack
software without any configuration. It works all the time unless the site has
been protected from being copied.