74,139,804 programs installed

Should I remove TwinCAT PLC HMI?

What percent of users and experts removed it?
8% remove it92% 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%


1.0.3 33.33%
1.0.2 66.67%



TwinCAT PLC HMI is a program developed by Beckhoff. The most used version is 1.0.2, 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 18 files. A majority of the PCs this is running on, most OS versions are Windows 7 (SP1). While about 63% of users of TwinCAT PLC HMI come from the United States, it is also popular in Germany and Canada.

Program detailsProgram details

Installation folder: C:\TwinCAT\
Uninstaller: "C:\Program Files\InstallShield Installation Information\{012446CC-58F2-4211-B5A9-D76FBB0619FE}\setup.exe" -runfromtemp -l0x0409 -uninst -removeonly
Language: English (United States)

Program filesFiles installed by TwinCAT PLC HMI

  • TCATSysCtrl.exe - BECKHOFF TwinCAT System (TwinCAT System Properties)
  • TCATSysSrv.exe - TwinCAT System Service
  • TcStgEditor.exe - TcStgEditor Application (TcStgEditor MFC Application)
  • TcSysUI.exe - User interface program for TwinCAT System Service
  • TcScript.dll - TcScript Module (TwinCAT Scripting Interface)
  • TcSystem.dll - TwinCAT System (TcSystem DLL)
  • TCatPlc.dll - TwinCAT Plc DLL
  • TCatPlcCtrl.exe - TwinCAT PLC Control
  • TCatPlcCtrlHmi.exe
  • TcComPortConnection.dll - TcComPortConnection Module
  • TcAmsSerial.dll - TcAmsSerial Module

Program behaviorsBehaviors exhibited

  • TCATSysSrv.exe runs as a service named 'TwinCAT System Service' (TwinCAT System Service).
Startup File (All Users Run)
  • TcSysUI.exe is loaded in the all users (HKLM) registry as a startup file name 'TcSysUI' which loads as C:\TwinCAT\TcSysUI.exe.

How do I remove TwinCAT PLC HMI?

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

Automatically starts? Yes
(Found in the run registry)
Uninstall it 8%
Keep it 92%
Windows 7 (SP1)

Distribution by countryGeography

62.50% of installs come from the United States
Which countries install it?
  United States 62.50%
  Germany 12.50%
  Canada 12.50%
  United Arab Emirates 12.50%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 66.67%
Lenovo 33.33%
Common models
LENOVO 25223FG 33.33%
Dell Latitude E6420 33.33%
Dell OptiPlex 790 33.33%


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