The IDL Virtual Machine is a standard IDL installation without a license file. It allows an IDL developer to create a compiled IDL program, a .sav file, that executes without a license. When the user runs the .sav file, the IDL VM starts up and displays a splash screen. The user needs to click to dismiss the splash and execute the program. There are just a few limitations on the code that can be run in IDL VM. Otherwise it is a fully featured execute only IDL. Bill

Hi Bill, Thanks for the quick reply. So in other words, the 'non-license user' only needs to execute the .sav file that was create to be run on IDL VM and dismiss the splash screen, as you wrote, correct? Mike

Mike Yes, you got it! Bill

How does this work if I am consuming an IDL dll that was created by an IDL-licensed user using the Export Bridge Assistant? I've downloaded and installed IDL, without a license, to get the VM, and when I make the call in my code (C#) to instantiate the object in his dll, I get the following error message: "LICENSE MANAGER: Cannot find license file." What am I doing wrong?

Could it be that in the IDL program you will need to be taking care of where those dlls are located?. IDL VM does not look for them, the IDL code will need to do it beforehand instead. Please, take a look at the following IDL function called APP_USER_DIR: Routines (alphabetical) > Routines: A > APP_USER_DIR Maybe that might help. Cheers, Fernando