You've provided very little information. If all you did was copy an executable file that was originally created with LabVIEW to another PC, it will be (probably) missing the appropriate LabVIEW Run-Time Library, as well as any other specialized Libraries that this (unknown) Executable requires.
It is the rare Windows executable that you can simply copy from one PC to another. Most must be installed, a process that not only copies the executable to whereever it is supposed to "live" on the target machine (typically Program Files), but also copies the necessary support libraries, makes registry entries as needed, puts shortcuts on the desktop, etc.
When building a LabVIEW program into an Executable, you can configure the Build process to give you an Executable, or one of several methods of packaging up everything you need to move it to another PC. If you have access to the original code, and know how to build, for example, an Installer, that might be something to try.
Bob Schor
