> The site below requires password identification
> Options below did not work:
> <http://username:password@www.uol.com.br>...

Yes, because the authentication is done through form-based 
authentication, not regular authentication. You'll have to 
use the 'add url' / 'capture url' feature of (win)httrack 
(see related threads in this forum).
This sometimes work, sometimes not, depending on the 
complexity of the site.