84,488,480 programs installed

Should I remove ActivClient for CAC - PKI Only?

What percent of users and experts removed it?
6% remove it94% 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 0.0002%


6.00.00067 75.00%
6.00.00059 25.00%

ActivClient for CAC - PKI Only


ActivClient for CAC - PKI Only is a program developed by ActivIdentity. The most used version is 6.00.00067, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The software installer includes 36 files and is usually about 15.09 MB (15,826,774 bytes). In comparison to the total number of users, most PCs are running the OS Windows XP as well as Windows Vista (SP1). The distribution of this has mostly been seen in the United States.

Program detailsProgram details

URL: www.actividentity.com
Installation folder: C:\Program Files\ActivIdentity\ActivClient\
Uninstaller: MsiExec.exe /I{79BE7375-9061-48E0-94E5-C8ABF5DC376C}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 15.09 MB
Language: English (United States)

Program filesFiles installed by ActivClient for CAC - PKI Only

  • acDiagno.dll - Smart Card Middleware (ActivIdentity Diagnostic Tool API)
  • acachsrv.exe - ActivClient Services (acachsrv)
  • acautoup.exe - ActivIdentity - Auto Update Service
  • accoca.exe - ActivIdentity Cache Server
  • accocaps.dll - ActivIdentity Proxy Cache Server
  • acevents.exe - ActivIdentity Event Service
  • accrypto.dll - Cryptographic Tools (accrypto Dynamic Link Library)
  • actse.dll - Windows - Generic (Windows generic functions)
  • accuvoplite.dll - VOP Card Update
  • acomx.dll - Smart Card APIs (acomx)
  • acvopsm.dll - ActivCard Gold (VOP ACI Security Module)
  • acvopsvr.dll
  • acvop.dll - VOP Provider
  • acacia.dll - ActivClient (acacia)
  • AcAdvCfm.exe - Advanced Configuration Manager
  • accrdsub.exe - ActivIdentity card event handler
  • acDiagWz.exe - ActivIdentity Advanced Diagnostics
  • acsagent.exe - ActivClient Agent
  • actswzdg.exe - ActivClient - Troubleshooting Wizard
  • acunlock.dll - acunlock DLL
  • Acuscons.exe - User Console Application
  • aipinch.exe - Change PIN tool
  • aipinit.exe - PIN Init tool
  • aiwjpg.dll - Jpeg loading wrapper
  • apduengine.dll - APDU Engine
  • AcBcgPro.dll (by BCGSoft Ltd) - BCGControlBar Professional Dynamic Link Library (BCGControlBar Professional DLL)
  • acregcrt.exe - ActivCard ActivClient 5.3 (acregcrt)

Program behaviorsBehaviors exhibited

3 Services
  • accoca.exe runs as a service named 'ActivClient Middleware Service' (accoca) "Provide access to the smart card. If this service is stopped or disabled, ActivClient will not function properly.".
  • acautoup.exe runs as a service named 'ActivClient Auto-Update Service' (acautoup) "Enables the download and installation of ActivClient updates. If this service is stopped or disabled, Software Auto-Update will not be available.".
  • acachsrv.exe runs as a service named 'ActivClient Authentication Service' (acachsrv) "Provides authentication services. If this service is stopped or disabled, ActivClient will not function properly.".
Startup File (All Users Run)
  • accrdsub.exe is loaded in the all users (HKLM) registry as a startup file name 'accrdsub' which loads as "C:\Program Files\ActivIdentity\ActivClient\accrdsub.exe".

How do I remove ActivClient for CAC - PKI Only?

You can uninstall ActivClient for CAC - PKI Only 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 ActivClient for CAC - PKI Only, 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 ActivClient for CAC - PKI Only.

Win XP 50%
Win 7 25%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 6%
Keep it 94%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 50.00%
Windows Vista 25.00%
Windows 7 25.00%
Which OS releases does it run on?
Windows Vista Home Premiu... 33.33%
Microsoft Windows XP 33.33%
Windows 7 Enterprise 33.33%

Distribution by countryGeography

100.00% of installs come from the United States
Which countries install it?
  United States 100.00%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 33.33%
Dell 33.33%
Hewlett-Packard 33.33%


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