74,139,804 programs installed

Should I remove TwinCAT Serial Communication?

What percent of users and experts removed it?
6% remove it94% 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 <0.001%


2.1.0 100.00%

TwinCAT Serial Communication


TwinCAT Serial Communication 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 9 files. A majority of the PCs this is running on, most OS versions are Windows 7 (SP1). The distribution of this has mostly been seen in the United States.

Program detailsProgram details

Installation folder: C:\TwinCAT
Uninstaller: "C:\Program Files\InstallShield Installation Information\{FAEE416B-7DFE-48B2-8DE5-A7084790FAEE}\setup.exe" -runfromtemp -l0x0009 -uninst -removeonly
Language: English

Program filesFiles installed by TwinCAT Serial Communication

  • 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
  • 401comupd.exe (by Microsoft) - Microsoft(R) Windows NT(R) Operating System (Win32 Cabinet Self-Extractor)

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 Serial Communication?

Quickly and completely remove TwinCAT Serial Communication 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 Serial Communication 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 Serial Communication, 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 Serial Communication.

Automatically starts? Yes
(Found in the run registry)
Uninstall it 6%
Keep it 94%
Windows 7 (SP1)

Distribution by countryGeography

100.00% of installs come from the United States
Which countries install it?
  United States 100.00%


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