Hello loup,
If you call dynamically a VI in your LabVIEW application you must add this VI when you build the .exe file.
To add this VI, go to the Tab "Source Files" when you build application and click on "Add Dynamic VI..." then chose the VI you call.
It should solve your problem.
In the attached file you can found an example of LV program that translate front panel.
Try to build exe file and add "Languages.vi" as dynamic VI and .txt files as "Support files".
I test it, it works.
I hope that this will help you.
Best Regards,
Sanaa T
National Instruments