84,488,480 programs installed

Should I remove Classroom Performance System?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #36,857
United States Rank #20,976
Reach 0.0031%


VersionDistribution 16.67% 6.67% 21.67%
6.71.321.53419 5.00% 11.67%
6.70.0942 3.33%
6.59.0018 8.33%
6.58.0001 1.67%
6.56.0058 6.67%
6.51.0002 8.33%
5.62.0090 1.67%
5.61.0016 3.33%
5.01.1091 3.33%
5.01.1061 1.67%

Other programs by eInstruction

Classroom Performance System

Remove Classroom Performance System
Powered by Reason Antivirus


Classroom Performance System is a program developed by eInstruction. The most used version is, with over 98% of all installations currently using this version. 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 software installer includes 60 files and is usually about 63.75 MB (66,843,928 bytes). EI.CPS.Update.dll is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows XP. While about 98% of users of Classroom Performance System come from the United States, it is also popular in South Africa and Canada.

Program detailsProgram details

URL: www.einstruction.com
Help link: www.einstruction.com/support
Installation folder: C:\Program Files\eInstruction\CPS\
Uninstaller: MsiExec.exe /X{4E3CEC43-1E7F-4EF8-ABA4-2BE6CDF52B52}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 63.75 MB
Language: English (United States)

Program filesFiles installed by Classroom Performance System

  • cps.exe - Classroom Performance System
  • EI.BITS.dll
  • EI.CPS.Data.dll
  • EI.CPS.GUI.dll
  • EI.CPS.Interfaces.dll
  • EI.CPS.Plugin.dll
  • EI.CPS.Receiver.dll
  • EI.CPS.Update.dll
  • EI.CPS.Util.dll
  • EI.CPS.Workspace.Integration.exe
  • EI.DB.Util.dll
  • EI.GUI.Util.dll
  • EI.Installer.Util.dll
  • EI.Interfaces.dll
  • EI.Log.dll
  • EI.Plugin.dll
  • EI.Util.dll
  • EI.Win32.dll
  • cpsReports.dll - CPS
  • DWUpdateServiceLib.dll - Assembly imported from type library 'DWUpdateServiceLib'.
  • ADOX.dll - Assembly imported from type library 'ADOX'.
  • EasyByte.dll (by Copyright EasyByte Software Ltd (c) 2007) - Copyright EasyByte Software Ltd (c) 2007
  • ChartFX.WinForms.Adornments.dll (by Software FX) - Chart FX for Visual Studio 2005 (Chart FX Borders & Backgrounds (WinForms))
  • ChartFX.WinForms.Base.dll (by Software FX) - Chart FX Base (WinForms)
  • ChartFX.WinForms.dll - Chart FX (WinForms)
  • DevExpress.XtraBars.v7.3.dll (by Developer Express) - DevExpress.XtraBars.Design (DevExpress.XtraBars)
  • Common.Logging.dll (by http://netcommon.sf.net) - Common Logging Framework
  • DevExpress.XtraPrinting.v7.3.dll (by Developer Express) - DevExpress.XtraPrinting
  • DevExpress.XtraTreeList.v7.3.dll - DevExpress.XtraTreeList
  • DevExpress.XtraEditors.v7.3.dll - DevExpress.XtraEditors
  • DevExpress.XtraNavBar.v7.3.dll - DevExpress.XtraNavBar
  • EI.CPS.DeviceManager.dll - EI.CPS.DeviceManager
  • DevExpress.XtraGrid.v7.3.dll - DevExpress.XtraGrid
  • ei.cps.cornerstone.dll - EI.CPS.Cornerstone
  • DevExpress.Utils.v7.3.dll - DevExpress.Utils
  • DevExpress.Data.v7.3.dll - DevExpress.Data
  • ClickerLib.dll - ClickerLib
  • antlr.runtime.dll (by www.antlr.org) - antlr.runtime
  • AxInterop.EVENGINE2Lib.dll
  • AxInterop.SHDocVw.dll
  • com.einstruction.cpso.lms.angel.dll
  • commons-collections-3.2.dll
  • deviceservices.dll
  • EastAsianDll.dll (by GC)

Program behaviorsBehaviors exhibited

Scheduled Task
  • cps.exe is scheduled as a task with the class '{BC6B47B8-8B7F-4719-A6E3-581289DA436E}' (runs on registration).

How do I remove Classroom Performance System?

Quickly and completely remove Classroom Performance System from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Or, you can uninstall Classroom Performance System 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 Classroom Performance System, 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 Classroom Performance System.

Win 7 (SP1) 82%
Win 10 3%
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 85.00%
Windows XP 8.33%
Windows Vista 3.33%
Windows 10 3.33%
Which OS releases does it run on?
Windows 7 Professional 49.12%
Windows 7 Enterprise 17.54%
Windows 7 Home Premium 14.04%
Microsoft Windows XP 8.77%
Windows 7 Ultimate 3.51%
Windows Vista Home Premiu... 1.75%

Distribution by countryGeography

97.92% of installs come from the United States
Which countries install it?
  United States 97.92%
  South Africa 1.04%
  Canada 1.04%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 47.37%
Hewlett-Packard 29.82%
Lenovo 10.53%
Toshiba 5.26%
ASUS 3.51%
Sony 1.75%
Samsung 1.75%
Common models
Dell Latitude E6520 17.86%
Dell Inspiron N5110 3.57%
Dell OptiPlex 755 3.57%
Dell OptiPlex 780 3.57%
HP EliteBook 6930p 3.57%
HP Compaq 8000 Elite SFF ... 1.79%


user comment
No one has commented yet. Help others learn more about this software, share your comments.