Older versions often crash on modern operating systems. The 4.3.0 update was designed to handle the driver requirements of newer Windows environments.
Genuine QRMA software requires an encryption USB key (dongle). "Free" versions often try to emulate this key, which frequently crashes or fails to recognize the hardware device entirely. How to Safely Get the Best Results Older versions often crash on modern operating systems
: A refreshed "main page" and a "renew test" display that shows reports immediately upon completion. Older versions often crash on modern operating systems