This is known issue. It is fixed and will be absent in next JooZen version.
To fix it:
- in the file components/com_zencart/store/includes/languages/english/create_account.php
find the line:
define('EMAIL_GV_CLOSURE','Sincerely,' . "nn" . STORE_OWNER . "nStore Ownernn". '<a href="' . HTTP_SERVER . DIR_WS_CATALOG . zen_href_link(FILENAME_DEFAULT, '', 'NONSSL', false) . '">'. HTTP_SERVER . DIR_WS_CATALOG . zen_href_link(FILENAME_DEFAULT, '', 'NONSSL', false) ."</a>nn");
and replace it with:
define('EMAIL_GV_CLOSURE','Sincerely,' . "nn" . STORE_OWNER . "nStore Ownernn". '<a href="' . HTTP_SERVER . zen_href_link(FILENAME_DEFAULT, '', 'NONSSL', false) . '">'. HTTP_SERVER . zen_href_link(FILENAME_DEFAULT, '', 'NONSSL', false) ."</a>nn");