Create a new folder within the dropbox folder on your pc, (usually in "my documents").
Then when you backup on George/wcp, browse for that folder to send the backup to.
It will automatically backup to dropbox's server as soon as any changes are made within the folder on your pc so you don’t need to worry about that. (Providing you have an internet connection)
You will then be able to access the folder you created (which is now duplicated on the server) from any pc.
So in the event of a disaster you just need to download a fresh copy of the program, install the backup and you’re up and working again.
I back mine up every time it shuts down, Takes 2 seconds as George automatically sends to the last used destination.