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Should I remove OMNIKEY CardMan 3x21 PC/SC Driver?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
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How common is it?
Global Rank #42,674
Reach 0.0021%


VersionDistribution 100.00%

Other programs by Omnikey

OMNIKEY CardMan 3x21 PC/SC Driver


OMNIKEY CardMan 3x21 PC/SC Driver is a software program developed by Omnikey. The setup package generally installs about 5 files and is usually about 870.44 KB (891,332 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows XP and Windows 10. While about 38% of users of OMNIKEY CardMan 3x21 PC/SC Driver come from Brazil, it is also popular in Norway and the United States.

Program detailsProgram details

URL: omnikey.aaitg.com
Help link: omnikey.aaitg.com/index.php?id=support
Installation folder: C:\Program Files\OMNIKEY\CardMan3x21\
Uninstaller: MsiExec.exe /X{4DDEADA8-25B8-41CB-9989-8F16D50A8E9C}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 870.44 KB
Language: English (United States)

Program filesFiles installed by OMNIKEY CardMan 3x21 PC/SC Driver

  • cxbu0wdm.sys - PC/SC IFD handler for CCID compliant CardMan
  • cxbu0x64.sys
  • chksvrn.dll - Tools for PC/SC driver installation (DLL for starting the smart card resouce manager)
  • chksvx64.dll
  • cmabout.dll - Tools for PC/SC IFD Handler (DLL for displaying About box)

How do I remove OMNIKEY CardMan 3x21 PC/SC Driver?

You can uninstall OMNIKEY CardMan 3x21 PC/SC Driver 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 OMNIKEY CardMan 3x21 PC/SC Driver, 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 OMNIKEY CardMan 3x21 PC/SC Driver.

Win XP 38%
Win 7 2%
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 40.48%
Windows 10 23.81%
Windows 7 23.81%
Windows Vista 11.90%
Which OS releases does it run on?
Microsoft Windows XP 41.46%
Windows 10 Home 12.20%
Windows 7 Professional 7.32%
Windows 7 Ultimate 7.32%
Windows 10 Pro 4.88%
Windows 7 Home Premium 4.88%

Distribution by countryGeography

37.78% of installs come from Brazil
Which countries install it?
  Brazil 37.78%
  Norway 26.67%
  United States 15.56%
  Belgium 6.67%
  BG 2.22%
  Germany 2.22%
  Estonia 2.22%
  India 2.22%
  Italy 2.22%
  Sweden 2.22%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 23.33%
Hewlett-Packard 16.67%
Acer 13.33%
ASUS 10.00%
Intel 6.67%
American Megatrends 6.67%
Sahara 3.33%
Lenovo 3.33%
Compaq 3.33%
Common models
INTEL DG31PR 6.90%
Positivo Positivo Mobile 3.45%
IBM 813335P 3.45%
HP-Pavilion GG707AA-AC4 a... 3.45%
Hewlett-Packard Presario ... 3.45%


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