In VV preferences, I have set my sound editing program to 
SoundForgeXP 4.5 ( the demo version I downloaded and 
tested.)
When I am in VV and try to "Open in Sound Editor", Sound 
Forge 4.5 starts up, and then gives error msg that it can't 
open file.
Could that be because:
  The file is too big ( about a 40 minute avi file captured 
  using latest SF Vidcap) or 
  I have a demo version of SoundForge, or ???
If you prefer I go to Sound Forge forum, I will.
Thanks.