If one of the installers fails on the Raven it could be due to the Visual C++ 2013 Runtime library being out of date. To Repair....
- Un-install all current 2013 C++ runtime libraries.
- Run the Raven installer and skip the un-install by hitting "Cancel"
- Install the Visual C++ library and Raven Touch Driver.
For More Info: Visit Microsoft at https://www.microsoft.com/en-us/download/details.aspx?id=40784