84,488,480 programs installed

Should I remove Trend Micro OfficeScan Client?

What percent of users and experts removed it?
11% remove it89% keep it
Overall Sentiment
Very good
What do people think about it?
(click star to rate)
How common is it?
Global Rank #13,314
United States Rank #13,357
Reach 0.0229%
Lifespan of installation (until removal)
< 15.77 days
465.07 days >
Average installed length: 244.36 days


11.0.1639 1.33%
11.0.1028 4.87%
10.6.5961 0.22%
10.6.5900 1.11%
10.6.5712 0.22%
10.6.5312 0.44%
10.6.5193 1.77%
10.6.5162 50.66%
10.6.3215 1.77%
10.6.3205 25.22%
10.6.2195 1.55%
10.6.2108 10.84%

Other programs by Trend Micro

Trend Micro OfficeScan Client

What is Trend Micro OfficeScan Client?  (from Trend Micro)

OfficeScan is a powerful endpoint security solution that combines on-premise and in-the-cloud security technologies to safeguard file servers, desktops, laptops and mobile devices. Software management tools are a class of solutions that have evolved to help administrators manage applications over distributed networks. ...  Read more


Trend Micro OfficeScan Client is a program developed by Trend Micro. The most used version is 10.6.5162, with over 98% of all installations currently using this version. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. 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 main program executable is pccntmon.exe. The software installer includes 83 files and is usually about 174.23 MB (182,693,535 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 41% of users of Trend Micro OfficeScan Client come from the United States, it is also popular in India and France.

Program detailsProgram details

URL: www.trendmicro.com
Installation folder: C:\Program Files\trend micro\officescan client
Uninstaller: "C:\Program Files\Trend Micro\OfficeScan Client\ntrmv.exe"
Estimated size: 174.23 MB
Language: English (United States)

Program filesFiles installed by Trend Micro OfficeScan Client

Program executable:pccntmon.exe
Path:C:\Program Files\trend micro\officescan client\pccntmon.exe
Additional files:
  • NTMonRes.dll - Trend Micro OfficeScan 10.6 Service Pack 2 CCCA Enhancement Patch for AVTest (PCCNTMON MFC Application)
  • CompRmv.exe - Trend Micro OfficeScan 10.6 Service Pack 2 CCCA Enhancement Patch (Trend Micro Common Client Uninstallation Utility)
  • NTRmv.exe - Trend Micro Common Client Uninstallation Service
  • Ntrtscan.exe - Trend Micro Common Client Real-time Scan Service (64-bit)
  • OfcPfwSvc_64x.dll - OfcPfwSvc
  • AosUImanager.exe - Trend Micro Worry-Free Business Security (Trend Micro OfficeScan Client Plug-in User Interface Manager)
  • CNTAoSMgr.exe - Trend Micro OfficeScan Client Plug-in Service Manager
  • CNTAoSUnInstaller.exe - Trend Micro OfficeScan Client Plug-in Service Uninstaller
  • ncfg.exe - Trend Micro Network Security Components (Trend Micro NDIS 5.0 Intermedia Driver Installation Module (Intermedia))
  • ICRCHdler.dll - Trend Micro iCRC Commmon Module (ICRCHdler)
  • ciussi32.dll - ciussi Dynamic Link Library
  • ciussi64.dll
  • dcexif64.dll - Trend Micro Common Client (libdceex DLL)
  • DwIoTrapNT.dll - DWIoTrapNT
  • fcwofieui.dll
  • Instreg.exe
  • libCNTProdRes.dll - libCNTProdRes Dll
  • libCNTProdRes_64x.dll
  • libnetctrl.dll - libNetCt DLL
  • libNetCtrl_64x.dll
  • libTmCAV.dll - libTmCAV DLL
  • libTmCAV_64x.dll
  • libZipUnzipDll.dll - libZipUnzip DLL
  • libZipUnzipDll_64x.dll
  • loadhttp.dll - loadhttp Application
  • loadhttp_64x.dll
  • LogServer.exe - Trend Micro Common Client Log Service
  • OfcPfwCommon.dll - OfcPfwCommon
  • OfcPfwCommon_64x.dll
  • OfcPfwSvc.dll
  • OfcPfwSvc.exe - OfcPfwSv Application
  • OfcPIPC.dll - OfcPIPC DLL
  • OfcPIPC_64x.dll - OfcPIPC DLL for x64
  • OfcPlugInAPI.dll - OfcPlugInAPI DLL
  • OfcPlugInAPI_64x.dll - OfcPlugInAPI DLL for x64
  • OfcPlugInMain.dll - OfcPlugInMain DLL
  • OfcPlugInMain_64x.dll - OfcPlugInMain DLL for x64
  • OfcPluginTray.dll - OfcPlugInTray DLL
  • NTMonRes_en.DLL - Trend Micro Office Scan
  • ntrmvrc.dll
  • ntrmvrc_en.DLL
  • FlowControl.dll - Trend Micro OfficeScan (FlowControl DLL)
  • FlowControl_64x.dll
  • NTSvcRes.dll
  • NTSvcRes_en.dll
  • eextuins.dll - Trend Micro EagleEye (Trend Micro EEXT Uninstaller)
  • helperospreydriver.dll - Trend Micro Osprey (Trend Micro Osprey Driver Helper)
  • ieplug.dll - Trend Micro AEGIS (Trend Micro Behavior Monitor Plug-in DLL for Internet Explorer)
  • ieplug64.dll
  • build.exe - AUSDK-2.85-R (ActiveUpdate module.)
  • build64.exe
  • INETWH32.dll (by Blue Sky Software) - Blue Sky Software - INETWH32 (INETWH32)
  • libeay32.dll (by The OpenSSL Project, http://www.openssl.org/) - The OpenSSL Toolkit (OpenSSL Shared Library)
  • libcurl.dll (by The cURL library, http://curl.haxx.se/) - The cURL library (libcurl Shared Library)
  • 7z.dll (by Igor Pavlov) - 7-Zip (7z Standalone Plugin)
  • 7z.exe (by Igor Pavlov) - 7-Zip Console
  • bzip2.exe
  • libprotobuf.dll

Program behaviorsBehaviors exhibited

Scheduled Task
  • AosUImanager.exe is scheduled as a task with the class '{E15539F4-BAC9-4C8F-8355-19F3104F831D}' (runs on registration).
  • NTRTScan.exe runs as a service named 'OfficeScan NT RealTime Scan' (ntrtscan) "Performs Real-time, Scheduled, and Manual scan on OfficeScan clients.".

How do I remove Trend Micro OfficeScan Client?

You can uninstall Trend Micro OfficeScan 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 Trend Micro OfficeScan 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 Trend Micro OfficeScan Client.

Win 7 (SP1) 69%
Win XP 0%
Windows Service? Yes
(Installs a service)
Uninstall it 11%
Keep it 89%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 70.35%
Windows 10 23.23%
Windows XP 5.31%
Windows Vista 0.88%
Windows Server 2003 0.22%
Which OS releases does it run on?
Windows 7 Professional 49.89%
Windows 7 Enterprise 16.70%
Windows 8.1 Enterprise 7.13%
Windows 8.1 Pro 5.79%
Microsoft Windows XP 5.35%
Windows 8 Pro 2.90%

Distribution by countryGeography

41.20% of installs come from the United States
Which countries install it?
  United States 41.20%
  India 5.81%
  France 4.68%
  Australia 3.18%
  DK 3.00%
  Taiwan 3.00%
  Germany 3.00%
  Norway 2.25%
  Argentina 2.25%
  United Kingdom 2.25%
  Brazil 2.06%
  Israel 1.69%
  Belgium 1.50%
  Italy 1.50%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 37.57%
Hewlett-Packard 34.32%
Lenovo 12.13%
Toshiba 4.44%
Acer 3.55%
ASUS 3.55%
Intel 2.66%
Samsung 0.89%
Common models
LENOVO 10AHS1HK00 5.73%
HP EliteBook Folio 9470m 4.41%
Dell OptiPlex 7010 3.96%
Dell Latitude E7440 3.08%
HP EliteBook 840 G1 2.64%

About Trend Micro

Trend Micro is a software security company that developes the Titanium Internet Security, Trend Micro Worry-Free Business Security, OfficeScan, and other security products and services.
Publisher URL: www.trendmicro.com


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