What is NA_Service.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 NA_Service.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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NA_Service.exe file information

Windows Task Manager with NA_Service
NA_Service.exe process in Windows Task Manager

The process known as NetAcces Application or NetAccess Service belongs to software Win64 NetAcces Service Application or NetAccess by Schneider Automation SAS ( or Schneider Automation (

Description: NA_Service.exe is not essential for the Windows OS and causes relatively few problems. NA_Service.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 49,152 bytes (55% of all occurrences) or 45,056 bytes. 
The program is not visible. The NA_Service.exe file is an unknown file in the Windows folder. The NA_Service.exe file is not a Windows system file. Therefore the technical security rating is 51% dangerous, however you should also read the user reviews.

Recommended: Identify NA_Service.exe related errors

Important: Some malware disguises itself as NA_Service.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the NA_Service.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.


User Comments

Ist ein Prozess des Scheider Treiber für die Automatisierungsprogrammierung.
NA_Service.exe was preventing us from using a Modbus application to upgrade a PLC firmware file. As soon as NA_Service was set to disable, the software was fine with discovering the device.

Summary: Average user rating of NA_Service.exe: based on 3 votes with 2 user comments. One user thinks NA_Service.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving NA_Service issues

A clean and tidy computer is the key requirement for avoiding problems with NA_Service. 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 NA_Service.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

NA_Service.exe [all]