82,399,351 programs installed

Should I remove ActivClient?

What percent of users and experts removed it?
2% remove it98% 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 0.0012%


6.2 82.35%
6.1.98 17.65%


What is ActivClient?

ActivClient middleware is smart card software that enables computer applications to talk to the computer chip on the HHS smart card ID badge. ActivClient is licensed by HHS for use by NIH smart card badge holders. The ActivClient license is per badge, not per computer. You may install ActivClient on any computer where you need to use your smart card for login, digital signatures or encrypted email.

About  (from ActivIdentity)

ActivClient is the market-leading security application that helps organizations manage the access requirements of all their different users against an ever-changing threat landscape. With ActivClient, organizations can go beyond simple passwords to deploy the best Identity Assurance solution for their environment – cho...  Read more


The most used version is 6.2, 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 90 files and is usually about 18.7 MB (19,606,795 bytes).

Program detailsProgram details

URL: www.hidglobal.com/products/software/identity-assurance/activclient
Installation folder: C:\Program Files\ActivIdentity\ActivClient\
Uninstaller: MsiExec.exe /I{86E45973-5352-439F-A115-2E8EE4D40140}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 18.7 MB
Language: English (United States)

Program filesFiles installed by ActivClient

  • acakd.dll - Smart Card Middleware (Aspcard for ActivKey Display)
  • acDiagno.dll - ActivIdentity Diagnostic Tool API
  • acerrmes.dll - acerrmes DLL
  • acflex16.dll - aspcard_cflex16
  • acflex8.dll - aspcard_cflex8
  • acfscrfs.dll - Card Edge Chooser
  • acjavasc.dll - Aspcard for javacards
  • acjscpivext.dll - Aspcard for javacards PIV + Extensions
  • acjscrfs.dll
  • acjvscv2.dll - Aspcard for javacards V2
  • acautoup.exe - ActivClient Services (ActivIdentity - Auto Update Service)
  • accoca.exe - ActivIdentity Cache Server
  • accocaps.dll - ActivIdentity Proxy Cache Server
  • acevents.exe - ActivIdentity Event Service
  • acevtbrdcst.dll - ActivIdentity Event Broadcaster DLL
  • acevtsub.dll - ActivIdentity Event Subscriber DLL
  • ackpbsc.dll - ackpbsc
  • acvop.dll - VOP Secure Messaging
  • accrypto.dll - Cryptographic Tools (accrypto Dynamic Link Library)
  • aclibeay.dll - The OpenSSL Toolkit (OpenSSL Shared Library)
  • aclog.dll - Library - Logging (ActivIdentity Log API)
  • acbsi21.dll - Smart Card APIs (ActivIdentity Basic Services Interface Provider)
  • acCOMacomx.exe - ActivClient acomx server - 64 bits COM server
  • acCOMbsi21.exe - ActivIdentity Basic Services Interface Provider - 64 bits COM server
  • acCOMcsp.exe - ActivClient Cryptographic Service Provider - 64 bits COM server
  • acCOMpkcs.exe - ActivIdentity PKCS#11 2.11 API - 64 bits COM server
  • acCOMpkcscallback.dll - ActivIdentity PKCS#11 2.11 API - 32 bits COM callback
  • accsp.dll - ActivClient Cryptographic Service Provider
  • accuvoplite.dll - VOP Card Update
  • acomx.dll - acomx
  • acpkcs201.dll - ActivIdentity PKCS#11 2.01 API
  • acpkcs201-en6.dll
  • acpkcs201-ns.dll
  • acpkcs211.dll - ActivIdentity PKCS#11 2.11 API
  • acvopsm.dll - Security Module (acvopsm (for softare HSM))
  • acvopsvr.dll - acvopsvr (for software HSM)
  • ac.activclient.syslog.dll - ActivClient (ActivIdentity Authentication Client Auditing Module)
  • acacia.dll - acacia
  • accrdsub.exe - ActivIdentity card event handler
  • AcDiagToolPlugin.dll - SnapIn for ActivClient Diagnostic
  • acNSTool.exe - acNSTool
  • acregcrt.exe - acregcrt
  • acsagent.exe - ActivClient Agent
  • actswzdg.exe - ActivClient - Troubleshooting Wizard
  • acunlock.dll - acunlock DLL
  • Acuscons.exe - User Console Application
  • aicfgreg.dll - Keys Backup/Restore COM object
  • aipinch.exe - Change PIN tool
  • aipinit.exe - PIN Init tool
  • aiwjpg.dll - Jpeg loading wrapper
  • apduengine.dll - APDU Engine
  • acakdrc.dll
  • acc16krc.dll
  • acc8krc.dll
  • accobapilrc.dll - acCobAPI resources DLL
  • accobapirc.dll
  • acerrmrc.dll
  • acjavarc.dll
  • acjpivextrc.dll
  • acjsc2rc.dll
  • asphatrc.dll - asphat32

Program behaviorsBehaviors exhibited

2 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.".
2 Startup Files (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".
  • acevents.exe is loaded in the all users (HKLM) registry as a startup file name 'acevents' which loads as "C:\Program Files\ActivIdentity\ActivClient\acevents.exe".

How do I remove ActivClient?

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

Win 7 (SP1) 82%
Win Vista (SP2) 6%
Automatically starts? Yes
(Found in the run registry)

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 82.35%
Windows XP 11.76%
Windows Vista 5.88%
Which OS releases does it run on?
Windows 7 Enterprise 81.25%
Microsoft Windows XP 12.50%
Windows Vista Enterprise 6.25%

Distribution by countryGeography

59.26% of installs come from the United States
Which countries install it?
  United States 59.26%
  Singapore 7.41%
  Belgium 3.70%
  Switzerland 3.70%
  Germany 3.70%
  France 3.70%
  Hungary 3.70%
  Israel 3.70%
  India 3.70%
  Peru 3.70%
  PR 3.70%


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