...
use HTTP::Cookies::Microsoft;
my $cookies_dir = $Registry->
      {"CUser/Software/Microsoft/Windows/CurrentVersion/Explorer/Shell Folders/Cookies"};

my $cookie_jar = HTTP::Cookies::Microsoft->new(
                   file     => "$cookies_dir\\index.dat",
                   'delayload' => 1,
               );


my %default_mech_params = (
       agent => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
    #stack_depth => 1,
    #quiet => 1,
    #autosave => 1,
    cookie_jar => $cookie_jar,
);