Here's my latest log if that helps:

[14-Mar-2015 18:46:43 Europe/Paris] PHP Fatal error: 1054:Unknown column 'show_box_min_width' in 'field list' :: insert into layout_boxes

(layout_template, layout_box_name, layout_box_status, layout_box_location, layout_box_sort_order, layout_box_sort_order_single, layout_box_status_single, show_box_min_width)

values ('responsive_avonlee_contempo', 'banner_box.php', 0, 0, 0, 0, 0, 0) ==> (as called by) C:\wamp\www\zencart154test1\zenadmin\layout_controller.php on line 71 <== in C:\wamp\www\zencart154test1\includes\classes\db\mysql\query_factory.php on line 155

[14-Mar-2015 18:46:43 Europe/Paris] PHP Stack trace:

[14-Mar-2015 18:46:43 Europe/Paris] PHP 1. {main}() C:\wamp\www\zencart154test1\zenadmin\layout_controller.php:0

[14-Mar-2015 18:46:43 Europe/Paris] PHP 2. queryFactory->Execute() C:\wamp\www\zencart154test1\zenadmin\layout_controller.php:71

[14-Mar-2015 18:46:43 Europe/Paris] PHP 3. queryFactory->set_error() C:\wamp\www\zencart154test1\includes\classes\db\mysql\query_factory.php:262

[14-Mar-2015 18:46:43 Europe/Paris] PHP 4. queryFactory->show_error() C:\wamp\www\zencart154test1\includes\classes\db\mysql\query_factory.php:132

[14-Mar-2015 18:46:43 Europe/Paris] PHP 5. trigger_error() C:\wamp\www\zencart154test1\includes\classes\db\mysql\query_factory.php:155