Simon, get a memory stick, and change the file location to the memory stick then save each time you close it.Only problem is you have to wait for them to get back to you to get a new key as old one does work, which is a ballache.
http://db.tt/0pgabPWgyep back up online to thesethis is the path i use and it automatically backs up online, so long as there is a connection, C:\Users\username\Dropbox\WCP backupit is secure, anyway wcp can only be uploaded to the copy it was backed up from @ Concept, is it sorted? has wcp got back to you