Open your computer case and look at the PCI card. Identify the main IC (Integrated Circuit).
Replace the card with a V8 version. The time spent debugging driver crashes is not worth the $45 for a new card. nc studio controller card driver
The NC Studio application (Version 5.4.5, 6.0, 7.0, or 8.0) is just the user interface for G-code visualization. The is the real-time engine. Open your computer case and look at the PCI card