If Aximmetry closes immediately, check the dump files generated by the Observer process to identify the exact faulting module.
If you need more advanced features like SDI input, the Aximmetry community forum indicates that you can for evaluation purposes. This is a legitimate way to test the full power of the software for a limited time.
The existence of these free and legal pathways exposes the core weakness of "Aximmetry Hot Crack."