TwinCAT HMI TcHmiSrv is a software product for Windows developed by Beckhoff Automation GmbH & Co. KG
It is reported that the following Windows processes are part of TwinCAT HMI TcHmiSrv:
If you want to remove TwinCAT HMI TcHmiSrv from your computer, just go to Start > Control Panel > Add/Remove programs and select TwinCAT HMI TcHmiSrv from the list of programs.