Description
Now when you click on 'Status' column in Dashboard > Orders > Sales / Orders the orders will be grouped by statuses and the statuses order will be defined by "Status Order" value from Settings > Orders > Orders Statuses > Edit Orders Statuses.
Solution
Download the updated version of the file:
http://www.viart.com/downloads/admin_orders-4.0.7.zip
Further, extract the 'admin_orders.php' into 'admin' folder of your shop replacing an existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.