Eric Woodruff's Sandcastle Help File Builder 1.6.x.x (SHFB) is needed for FreeImage.NET wrapper help file creation. It can be downloaded from http://www.codeplex.com/SHFB As of FreeImage.NET version 1.08, version 1.8.01 of Sandcastle Help File Builder is used by FreeImage.NET and thus needed for FreeImage.NET wrapper help file creation. It can still be downloaded from http://www.codeplex.com/SHFB Microsoft's Sandcaste is also needed for SHFB to run correctly. It can be downloaded from http://www.microsoft.com/downloads/details.aspx?FamilyId=E82EA71D-DA89-42EE-A715-696E3A4873B2&displaylang=en