> I am trying to download a site which has username and 
> password authentication but also has a verification 
> process of ‘type in the code you see in the graphic’ 
too.  

Humm, I doubt this can be possible with WinHTTrack. You can 
try to use the 'Add URL'/'Capture URL' mechanism, however, 
by starting from the point where you see the "graphic 
verification". This may work..