If the >Help >Check for updates option is not working in your Sage Accounts program and you need to know if there are any updates to the software:

visit www.sage.co.uk/au

Select Sage 50 Accounts from the dropdown menu and then chose your version of Sage. On the left handside it will tell you what the latest verion is, and on the right handside it will give you a link to download the latest updates (if required).