Hello, icefragment.
Try copy Saraff.Twain.Aux_MSIL.exe and Saraff.Twain.Aux_x86.exe to a output directory of a Saraff.Twain.OutprocSample4 project (Saraff.Twain.OutprocSample4/bin/debug).
Try copy Saraff.Twain.Aux_MSIL.exe and Saraff.Twain.Aux_x86.exe to a output directory of a Saraff.Twain.OutprocSample4 project (Saraff.Twain.OutprocSample4/bin/debug).