74,139,804 programs installed

Should I remove Process Modeling HYSYS?

What percent of users and experts removed it?
11% remove it89% keep it
Overall Sentiment
Very good
What do people think about it?
(click star to rate)
How common is it?
Reach 0.0010%
Lifespan of installation (until removal)
< 0.18 days
5.31 days >
Average installed length: 2.79 days


23.0.0 100.00%

Other programs by Aspen Technology

Process Modeling HYSYS V7.1

What is Process Modeling HYSYS?  (from Aspen Technology)

Aspen HYSYS is an easy-to-use process modeling environment that enables optimization of conceptual design and operations. Aspen HYSYS has a broad array of features and functionalities that address the process engineering challenges of the energy industry. Aspen HYSYS gives you access to over 1000 assays representing gl...  Read more


Process Modeling HYSYS V7.1 is a program developed by Aspen Technology. The software installer includes 102 files and is usually about 4.44 MB (4,656,824 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 8. While about 28% of users of Process Modeling HYSYS come from the United States, it is also popular in Peru and Saudi Arabia.

Program detailsProgram details

URL: www.aspentech.com/products/aspen-hysys.aspx
Help link: support.aspentech.com
Installation folder: C:\Program Files\AspenTech\Aspen HYSYS V7.1\
Uninstaller: MsiExec.exe /X{8E258ED0-CFA1-4DC9-B031-9D1009CA2A0D}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 4.44 MB
Language: English (United States)

Program filesFiles installed by Process Modeling HYSYS V7.1

  • blackoilprops.dll - BlackOilProps Module
  • hysys.exe - HYSYS.Plant v23.0 (Aspentech HYSYS.Plant Simulation Software)
  • gasprops.dll - GasProps Module
  • rvpprops.dll - RVPProps Module
  • datasvr2.dll - DataSvr Module (Hyprotech Data Server Component)
  • viewed.exe - VIEWED v23.0 (Hyprotech Extension View Editor)
  • air_liq.dll - HYSYS v23.0 (Aspentech AIR LIQUIDE DLL)
  • amines.dll - Aspentech AMINES DLL
  • aplusint.dll - AspenTech REFSYS Properties DLL
  • apropconnect.exe - AspenTech REFSYS to Aspen Properties Connection Server
  • aspenhydraulics.dll - Aspentech Aspen Hydraulics DLL
  • atmodel.dll - Aspentech Atmodel.dll DLL
  • baseobj.dll - Aspentech BaseObj DLL
  • bender.dll - Aspentech BENDER DLL
  • blending.dll - Aspentech BLENDING DLL
  • caserdr.dll - Aspentech Caserdr DLL
  • comthermo.dll - Aspentech COMThermo DLL
  • fihtop.dll - Aspentech FIHTOP DLL
  • HTFSLink.dll - Aspentech HTFSLink DLL
  • HTFSplusLink.dll - Aspentech HTFSPlusLink DLL
  • hysprop.dll - Aspentech HYSProp DLL
  • hyspropC.dll - Aspentech HYSPropC DLL
  • hysupstream.dll - Aspentech HYSUPSTREAM DLL
  • hysutil.dll - Aspentech HYSUTIL DLL
  • hysyseng.dll - Aspentech HYSYSENG DLL
  • HYSYSFF.dll - Aspentech HYSYSFF DLL
  • hysysint.dll - Aspentech HYSYSInt DLL
  • iface.dll - Aspentech IFace DLL
  • ifversion.dll - Aspentech IFace Version DLL
  • lumdelum.dll - Aspentech Lumdelum DLL
  • math.dll - Aspentech Math DLL
  • olgas.dll - Aspentech OLGAS DLL
  • olipack.dll - Aspentech OLIPACK DLL
  • omdiunit.dll - Aspentech OMDIUNIT DLL
  • pcntrl.dll - Aspentech PCNTRL DLL
  • petdata.dll - Aspentech PETDATA DLL
  • picasso.dll - Aspentech PICASSO DLL
  • picint.dll - Aspentech PICINT DLL
  • proppkgid.dll - Aspentech PropPkgID dll
  • refhcr.dll - Aspentech REFSYS Hydrocracker DLL
  • refsys.dll - Aspentech REFSYS DLL
  • refsyscatref.dll - Aspentech REFSYS Reformer DLL
  • script.dll - Aspentech SCRIPT DLL
  • sepsize.dll - Aspentech SEPSIZE DLL
  • util.dll - Aspentech UTIL DLL
  • dcsdef32.dll - DCS Driver DLL
  • ddearr32.dll
  • ddecli32.dll
  • olgalink_v6.dll - Aspen HYSYS (HYSYS OLGA Link v6.1, Compositional)
  • Aspentech.HYSYS.Interop.dll - Assembly imported from type library HYSYS
  • arrayoptim.dll (by MDC Technology Limited) - MDC Technology Ltd. ArrayOptim (ArrayOptim)
  • sparseqp.dll (by MDC Technology Limited) - MDC Technology Ltd. SparseQP (SparseQP)
  • dforrtd.dll (by Compaq Computer) - Compaq Visual Fortran (Compaq Visual Fortran RTL)
  • petroleumprops.dll - PetroleumProps Module
  • phase1.dll (by Hyprotech) - Hyprotech Ltd. Phase1 (Phase1)
  • phase2.dll (by Hyprotech) - Hyprotech Ltd. Phase2 (Phase2)
  • userproperty.dll - UserProperty Module
  • gastranflow.dll - Aspen HYSYS 2006 (Compressible Gas Pipe Engine)
  • mathsolvers.dll - Aspen HYSYS V7.1 (MSL Routines and Interfaces)
  • mslbasiclib.dll - MSL Core Solvers.

How do I remove Process Modeling HYSYS?

Quickly and completely remove Process Modeling (HYSYS) V7.1 from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall Process Modeling HYSYS from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Process Modeling (HYSYS) V7.1, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Process Modeling HYSYS.

Win 7 (SP1) 57%
Win 7 7%
Uninstall it 11%
Keep it 89%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 64.29%
Windows 8 21.43%
Windows XP 14.29%
Which OS releases does it run on?
Windows 7 Ultimate 28.57%
Windows 7 Home Premium 21.43%
Microsoft Windows XP 14.29%
Windows 7 Professional 14.29%
Windows 8 7.14%
Windows 8 Single Language 7.14%

Distribution by countryGeography

27.78% of installs come from the United States
Which countries install it?
  United States 27.78%
  Peru 11.11%
  Saudi Arabia 11.11%
  Argentina 5.56%
  Brazil 5.56%
  DZ 5.56%
  Ecuador 5.56%
  Egypt 5.56%
  Spain 5.56%
  Korea 5.56%
  Malaysia 5.56%
  Venezuela 5.56%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 23.08%
Toshiba 23.08%
ASUS 15.38%
Acer 15.38%
Samsung 7.69%
Intel 7.69%
Hewlett-Packard 7.69%
Common models
TOSHIBA Satellite L745 9.09%
TOSHIBA Satellite C655 9.09%
TOSHIBA Satellite C45-A 9.09%
Samsung 900X3C/900X3D/900... 9.09%
HP 1000 Notebook PC 9.09%
Dell Vostro 220s Series 9.09%

About Aspen Technology

Aspen Technology is a provider of software and services for the process industries and was created out a joint research project between the Massachusetts Institute of Technology and US Department of Energy—an Advanced System for Process Engineering Project.
Publisher URL: www.aspentech.com


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