You can download Version 2.9.4 from the link below. Note this is a full install.
http://sailwave.com/download/sailwave/sw2_9_4.exe
This version is based on Version 2.9.3 with the following changes.
- Sailwave auto detects the rating scheme for NHC depending upon the ratings used to be either TCF, PY or VY
- SWHelper now handles un-sailed races in the middle of sailed races and passes the rating through onto the next unchanged