84,488,480 programs installed

Should I remove TwinCAT?

What percent of users and experts removed it?
1% remove it99% 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%
Lifespan of installation (until removal)
< 29.14 days
272.04 days >
Average installed length: 142.93 days


2.11.000 100.00%



TwinCAT is a program developed by Beckhoff. 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 10 files and is usually about 5.98 MB (6,274,046 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows XP. While about 25% of users of TwinCAT come from the United States, it is also popular in Germany and United Kingdom.

Program detailsProgram details

URL: www.Beckhoff.com
Installation folder: C:\TwinCAT
Uninstaller: "C:\Program Files\InstallShield Installation Information\{DD366319-FDE5-4B15-9299-E1B95AAD5790}\setup.exe" -runfromtemp -l0x0409 -uninst -removeonly
Estimated size: 5.98 MB
Language: English (United States)

Program filesFiles installed by TwinCAT

  • 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)
  • 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?

You can uninstall TwinCAT 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 TwinCAT, 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 TwinCAT.

Win 7 (SP1) 75%
Win 10 4%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 79.17%
Windows XP 16.67%
Windows 10 4.17%
Which OS releases does it run on?
Windows 7 Professional 56.52%
Microsoft Windows XP 13.04%
Windows 7 Ultimate 13.04%
Windows 7 Enterprise 8.70%
Windows 10 Pro 4.35%
Windows 7 Home Premium 4.35%

Distribution by countryGeography

25.00% of installs come from the United States
Which countries install it?
  United States 25.00%
  Germany 10.71%
  United Kingdom 7.14%
  United Arab Emirates 3.57%
  Austria 3.57%
  Belgium 3.57%
  Switzerland 3.57%
  Costa Rica 3.57%
  Egypt 3.57%
  Finland 3.57%
  GF 3.57%
  Indonesia 3.57%
  India 3.57%
  Italy 3.57%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 29.41%
Hewlett-Packard 29.41%
Toshiba 17.65%
Acer 11.76%
ASUS 5.88%
Samsung 5.88%
Common models
TOSHIBA Satellite L510 4.76%
TOSHIBA Satellite A300D 4.76%
Samsung 350V5C/350V5X/350... 4.76%
Panasonic Corporation CF-... 4.76%
Panasonic Corporation CF-... 4.76%


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