The 3rd option call the company to ask them if they have 64 bit option otherwise I'll instal the 64 bit version
Annnnnd we have a winner.
It worked I download 32 bits labview and it worked ! now I only have to re download the thousands of drivers I had and be sure that the massive program that took me 4 weeks to write works ! * cries*
It was your decision to start development with the 64bit edition of LabVIEW.
You should have made your requirement sheet before starting the project - not after (nearly) finishing it…