What is s7oiehsx.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 s7oiehsx.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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S7oiehsx.exe file information

Windows Task Manager with s7oiehsx
S7oiehsx.exe process in Windows Task Manager

The process known as HelpService (version W2k/XP) or Siemens SIMATIC IEtoPG Help Service belongs to software SIMATIC Device Operating System or SIEMENS STEP (version 7/S7(TM) Automatisierungssystem) by SIEMENS AG (

Description: S7oiehsx.exe is not essential for the Windows OS and causes relatively few problems. S7oiehsx.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 208,968 bytes (50% of all occurrences), 200,769 bytes or 213,064 bytes. 
The program has no visible window. S7oiehsx.exe is not a Windows system file. The program can be removed using the Control Panel's Add\Remove programs applet. The application listens for or sends data on open ports to a LAN or the Internet. Therefore the technical security rating is 42% dangerous.

Uninstalling this variant: There is a possibility to completely remove SIMATIC Device Drivers (Control Panel ⇒ Uninstall a Program).

Recommended: Identify s7oiehsx.exe related errors

If s7oiehsx.exe is located in a subfolder of "C:\Program Files\Common Files", the security rating is 30% dangerous. The file size is 1,576,008 bytes (50% of all occurrences), 1,571,912 bytes or 208,968 bytes. The program can be removed using the Control Panel's Add\Remove programs applet. The program has no visible window. The program listens for or sends data on open ports to a LAN or the Internet. S7oiehsx.exe is not a Windows system file. The s7oiehsx.exe file is a Verisign signed file. The file is digitally signed.

Important: Some malware camouflages itself as s7oiehsx.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the s7oiehsx.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 s7oiehsx issues

A clean and tidy computer is the key requirement for avoiding problems with s7oiehsx. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the s7oiehsx.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

s7oiehsx.exe [all]