Not knowing anything about pinnacle expression, it is possibly non-compatibility with your OS.
Have only seen this kind of thing once (on a Mac) where the application opened and then closed almost at once. (this after upgrading the OS)
Samsung Galaxy S9 review
Wacom Cintiq Pro 24 and 32 review – hands-on
When is the next Apple event?
Les meilleures séries Amazon Prime Video (2018)