Glad you found an older version!
 
Back up, back up and back up after every session. It takes an additional 1 to 2 minutes to do. 
Also, never save as a CWB. always save as a CWP and per project audio files. always do a save as and never copy and paste your CWP projects you may forget to copy the audio folder and without that, you cannot open it.
 
CJ