> Is there a way to have the program skip all the
> areas which require a password?  Instead of throwing
> an error and stop downloading.

It shouldn't stop downloading ; it should only log the error (which can be
considered as a warning)

Using the recent 3.33-beta series, and by enabling "no error pages", you can
even let httrack rewrite erroneous(protected ) areas so that they can point to
the live location.