skin/common_files/customer/bread_crumbs.tpl
Replace...
Code:
<a href="{$l.1|amp}" class="bread-crumb{if $smarty.foreach.location.last} last-bread-crumb{/if}">{if $webmaster_mode eq "editor"}{$l.0}{else}{$l.0|amp}{/if}</a>
with
Code:
<a href="{if $l.0|amp eq "Home"}{$http_location}{else}{$l.1|amp}{/if}" class="bread-crumb{if $smarty.foreach.location.last} last-bread-crumb{/if}">{if $webmaster_mode eq "editor"}{$l.0}{else}{$l.0|amp}{/if}</a>
Works perfet under x-cart v4.6.4