e107/e107_themes/voux/install/install.xml
contains hardcoded text to the admin page (around line 1101):
<a class=&quot;btn btn-primary btn-large &quot; href=&quot;e107_admin/admin.php&quot;>Go to Admin area</a>
To make it follow the settings from e107_config.php this might be better:
<a class=&quot;btn btn-primary btn-large &quot; href=&quot;{e_ADMIN}admin.php&quot;>Go to Admin area</a>