84,488,480 programs installed

Should I remove Multifactor Authentication Client?

What percent of users and experts removed it?
3% remove it97% 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?
Global Rank #9,719
United States Rank #5,411
Reach 0.0377%
Lifespan of installation (until removal)
< 6.81 days
200.83 days >
Average installed length: 105.52 days


VersionDistribution 80.51% 10.08% 2.96% 6.45%

Multifactor Authentication Client


Multifactor Authentication Client is a software program developed by Nok Nok Labs. The most common release is, with over 98% of all installations currently using this version. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. The primary executable is named putty.exe. The setup package generally installs about 40 files and is usually about 11.02 MB (11,553,280 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 10 and Windows 7 (SP1). While about 83% of users of Multifactor Authentication Client come from the United States, it is also popular in Canada and Australia.

Program detailsProgram details

URL: www.noknok.com
Help link: www.noknok.com/support
Installation folder: C:\Program Files\nok nok labs\multifactor authentication client\bin
Uninstaller: MsiExec.exe /X{89F955AF-7274-4C60-B5ED-3530AFB88163}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 11.02 MB
Language: English (United States)

Program filesFiles installed by Multifactor Authentication Client

Program executable:putty.exe
Path:C:\Program Files\putty.exe
Additional files:
  • mfac.exe - Multifactor Authentication Client
  • fidobinary.dll
  • logmanager.dll
  • nfcrdm.dll
  • npfido.dll - Fido Plugin Module
  • tpmdsm.dll
  • uifps.dll
  • uinfc.dll
  • uipin.dll
  • uiurt.dll
  • usbpindsm.dll
  • wbffpdsm.dll
  • wbffpdsmmetroie.dll

Program behaviorsBehaviors exhibited

Startup File (All Users Run)
  • mfac.exe is loaded in the all users (HKLM) registry as a startup file name 'MFACApp' which loads as "C:\Program Files\Nok Nok Labs\Multifactor Authentication Client\bin\mfac.exe".

How do I remove Multifactor Authentication Client?

You can uninstall Multifactor Authentication Client 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/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Multifactor Authentication Client, click it, and then do one of the following:
    • Windows Vista/7/8/10: 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 Multifactor Authentication Client.

Win 10 53%
Win 7 (SP1) 47%
Automatically starts? Yes
(Found in the run registry)

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 52.96%
Windows 7 47.04%
Which OS releases does it run on?
Windows 7 Professional 46.64%
Windows 8.1 16.94%
Windows 8.1 Pro 14.25%
Windows 10 Pro 13.58%
Windows 10 Home 7.26%
Windows 8.1 Pro with Medi... 0.40%

Distribution by countryGeography

83.02% of installs come from the United States
Which countries install it?
  United States 83.02%
  Canada 4.42%
  Australia 1.82%
  United Kingdom 1.39%
  India 1.21%
  Singapore 1.04%
  Israel 0.78%
  IS 0.52%
  Germany 0.43%
  Malaysia 0.43%
  Hong Kong 0.35%
  Indonesia 0.35%
  BG 0.35%
  Nicaragua 0.26%


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