Notes about the HESSIANX file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The HESSIANX file type is primarily associated with 'Insight II' by Accelrys Software Inc.. Insight II is a molecular modeling environment that provides a graphical interface to algorithms for molecular dynamics, homology modeling, de novo design, and electrostatics.