National Instrument has confirmed this issue with other external libraries and has written up a KnowledgeBase article showing how to fix the issue.  You can read this article at the following URL. http://digital.ni.com/public.nsf/allkb/14B6D031F7AC4B53862577AE0060F844 This article explains how to add keys to your Windows Registry to force LabWindows/CVI to load the external .DLLs in a specified order.  This technique will be used to load the RSA API .DLLs in the proper order so that the built executable will not experience a fatal run-time error. The simplest way to add the keys to your registry is to run the following registry script. Windows Registry Editor Version 5.00
[HKEY_CURRENT_USERSoftwareNational InstrumentsCVI10.0DLL Load Order]
"DLL1"="RSA_API.dll"
"DLL2"="RSA300API.dll"
"DLL3"="RSA500API.dll"
"DLL4"="BaseDSP.dll"
"DLL5"="GPMeasDSP.dll" Open Notepad.exe and Copy and paste the script above into the Notepad window. Go to the File menu and select Save As… Save the file to your computer’s Desktop as a .reg file.  Enter the filename and then change the Save as type to All Files (*.*) then click the Save button. Navigate to the folder where you saved the .reg file.  Double-click the .reg file to launch the Registry Editor. Click Yes to allow the changes to be made and the new Registry keys to be added. Rebuild your LabWindows/CVI project.  Your executable should now run without a Fatal Run-time Error.