The name specified is not recognized as an internal ...
This error indicates that you are trying to launch a FLUENT application from the Command Prompt but you have not set the FLUENT Environment Variables.
"The name specified is not recognized as an internal or external command, operable program or batch file"
Resolution: Set the Fluent Inc Environment Variables
1.Select the Start menu
2.Programs (or All Programs)
3.Fluent Inc Products
4.Choose the Fluent Product you want to run from the Command Line (Fluent, Gambit, Fidap, etc)
6.YES to Modify
7.Open up a NEW Command Prompt window and try again.