: Windows 10 (64-bit) Pro or Enterprise. Windows Home editions often lack necessary networking features for the license manager.
Use the built‑in Aspen uninstaller located at: C:\Program Files (x86)\AspenTech\Setup\Uninstall\PUninst.exe
(Windows 10/11) is recommended for smooth simulation of complex plants. Clean Slate
Licensing bugs are the most common reason Aspen HYSYS fails to start. Follow these steps to ensure a reliable connection. For Local/Standalone Licensing Open the from the Start Menu. Select Manage Licenses > Configure License Server .