What is HmiES.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the HmiES.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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HmiES.exe file information

The process known as WinCC flexible Application belongs to software SIMATIC WinCC flexible (version 2008 SP2 Upd13, 2008, 2007) by SIEMENS AG (

Description: HmiES.exe is not essential for the Windows OS and causes relatively few problems. HmiES.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 13,312 bytes (33% of all occurrences), 40,960 bytes or 32,768 bytes. 
The program is not visible. The program uses ports to connect to or from a LAN or the Internet. HmiES.exe is not a Windows core file. Therefore the technical security rating is 54% dangerous.

Uninstalling this variant: If you experience any issues with installation of HmiES.exe, you may want to look for help on the website, make sure that you have installed the latest version or uninstall the program using the Control Panel ⇒ Uninstall a ProgramSIMATIC WinCC flexible 2008 SP2 Upd13 or SIMATIC WinCC flexible 2008.

Recommended: Identify HmiES.exe related errors

Important: Some malware camouflages itself as HmiES.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the HmiES.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving HmiES issues

A clean and tidy computer is the key requirement for avoiding problems with HmiES. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the HmiES.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

HmiES.exe [all]