This happens if conflicting older versions of SQL Server components exist on your machine. Uninstall previous SQL Server instances and run the Aspen setup again.

Once the progress bar hits 100%, you aren't quite done yet.

This article provides a detailed, professional guide on how to install Aspen HYSYS V12 successfully.

Installing Aspen HYSYS V12 is a two-part process: setting up the License Manager (SLM) and then the aspenONE application suite . Before starting, ensure you have administrative privileges