84,285,534 programs installed

Should I remove REFPROP?

What percent of users and experts removed it?
7% remove it93% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Reach 0.0011%


9.1 47.62%
8 52.38%



REFPROP is a software program developed by NIST. The most common release is 8, with over 98% of all installations currently using this version. It adds an extension to the user's Internet Explorer web browser. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The primary executable is named REFPROP.EXE. The setup package generally installs about 9 files and is usually about 9.07 MB (9,510,845 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 8 and Windows 7 (SP1). While about 57% of users of REFPROP come from the United States, it is also popular in Italy and Germany.

Program detailsProgram details

URL: www.nist.gov/srd/nist23.htm
Installation folder: C:\Program Files\REFPROP\
Uninstaller: MsiExec.exe /I{E4278936-73B8-4250-AF88-21E26249D5F8}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 9.07 MB
Language: English (United States)

Program filesFiles installed by REFPROP

Program executable:REFPROP.EXE
Additional files:
  • refprop.dll
  • REFPRP64_thunk_pcwin64.dll
  • comdlg32.ocx (by Microsoft) - CMDIALOG (CMDialog ActiveX Control DLL)
  • mscomctl.ocx (by Microsoft) - MSCOMCTL (Windows Common Controls ActiveX Control DLL)

Program behaviorsBehaviors exhibited

Internet Explorer Extension
  • comdlg32.ocx is installed as an Internet Explorer extension using the class {9F01D864-E34E-46A0-927D-9C78EF4B723D}.
Scheduled Task
  • REFPROP.EXE is scheduled as a task with the class '{217E3FBB-4238-4651-A655-DB498EFFE6A2}' (runs on registration).

How do I remove REFPROP?

Quickly and completely remove REFPROP from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall REFPROP 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 REFPROP, 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 REFPROP.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by REFPROP you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 8 62%
Win 7 (SP1) 38%
Uninstall it 7%
Keep it 93%
United States

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 61.90%
Windows 7 38.10%
Which OS releases does it run on?
Windows 8.1 23.81%
Windows 7 Professional 19.05%
Windows 7 Home Premium 19.05%
Windows 10 Home Single La... 14.29%
Windows 10 Home 9.52%
Windows 10 Pro 4.76%

Distribution by countryGeography

57.14% of installs come from the United States
Which countries install it?
  United States 57.14%
  Italy 11.43%
  Germany 8.57%
  Brazil 5.71%
  Belgium 2.86%
  France 2.86%
  Mexico 2.86%
  Indonesia 2.86%
  Spain 2.86%
  Canada 2.86%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 23.81%
ASUS 14.29%
Dell 14.29%
Lenovo 14.29%
Acer 9.52%
Toshiba 9.52%
Intel 4.76%
Sony 4.76%
Samsung 4.76%
Common models
TOSHIBA Satellite M645 5.00%
Sony VPCEH3S1E 5.00%
Samsung 530U3C/530U4C/532... 5.00%
LENOVO 5931 5.00%


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