Could not load file or assembly 'NationalInstrumentsw.VisaNS (...)

Hello,

I have developed a small aplication in a Windows 7 32 with Visual Studio 2013 C#.Net, and works as expeceted.

When I change to other PC, Windows 7 64, when I run the EXE it say's "Could not load file or assembly 'NationalInstruments.VisaNS, Version=13.0.40.167, Culture=neutral, PublicKeyToken=dc6ad606294fc298' or one of its dependencies. The system cannot find the file specified."

I have installed the "visa540_runtime.exe", and compiled my app with "target x86".

What am I missing?

Also this app is very basic, only to set and show my Rigol DP832A Voltage and Current, do I need all this "VISA Framework"?

I'm using ethernet port, is there a example on how to communicate with my PSU without VISA, directly with C#?

Thanks for any tip,

ZJ