You will know if you have the latest version,when you either go to print a work list or allocate payments as the set up is different.
The new version also backs up without issues .
The version Iam now running which backups up ok is version3.71A7 that's what's on the home page of George on my PC,
not sure what the numbers mean,but I'm sure if you download latest version it will work,irrespective of what version is showing