Aspen Hysys 8.8 Apr 2026
The last version before the UI went fully "ribbonized." Still running it for amine sweetening models because it just works .
π Don't use spaces in your file path. C:\HYSYS\Project.hsc works. "My Documents" often triggers the "Object reference not set to an instance of an object" bug. aspen hysys 8.8
Even with V14 out now, many legacy plants and academic labs still rely on the rock-solid . The last version before the UI went fully "ribbonized