What is lnssatt.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 lnssatt.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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Lnssatt.exe file information

Windows Task Manager with lnssatt
Lnssatt.exe process in Windows Task Manager

The process known as GFI LanGuard Attendant Service or Attendant Service

belongs to software GFI LanGuard (version 11 Agent, 10 Agent, 2012) or VIPRE Internet Security or GFI LANguard or Advanced Monitoring Agent or GFI LANguard Network Security

by GFI Software Development or GFI Software (

Description: Lnssatt.exe is not essential for the Windows OS and causes relatively few problems. The lnssatt.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 133,496 bytes (26% of all occurrences), 115,568 bytes and 4 more variants. 
The program has no visible window. The software can be removed using the Control Panel's Add\Remove programs applet. The file is not a Windows system file. It is a Verisign signed file. Lnssatt.exe is certified by a trustworthy company. Lnssatt.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 20% dangerous, however you should also read the user reviews.

Uninstalling this variant: You might want to visit the website or safely remove the program using the uninstall program of VIPRE Internet Security or GFI LanGuard 10 Agent (Control Panel ⇒ Uninstall a Program).

Recommended: Identify lnssatt.exe related errors

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

LANguard Network Security Scanner - Attendant Service
Used by GFI Network Security Scanner
  Craig Shuey   (further information)
Used by GFI Languard Network Security Scanner--not dangerous unless you have unauthorized software installed on your computer and your SysAdmin is running this!
  Mattitude, SysAdmin  
NOT spyware. If you didn't install it, then be afraid. It is installed when you install languard. It's used to run scheduled vulnerability scans. I.e. it tries to automate numerous hacking techniques. If you did install Languard, then have no worries.
The GFI LANguard N.S.S. status monitor allows you to monitor the status of active scheduled scans and software update deployments. You can also cancel scheduled deployment operations.
  gAlAX-e   (further information)
Active while the Languard process is running. If you are a network admin and have not authorized a user to install this program, remove it.
  Xemus   (further information)
Languard File
Installed when the LANguard Network Security Scanner software is installed
  Marc Wolf  
Escaneador de red
it is part of the GFI Languard N.S.S Monitor Software
Installed by GFI languard
GFI Languard Network Security Scanner, a program to secure your network and find your open backdoors.
  xianze   (further information)
I also believe that is related to LANGuard
GFI Languard

Rating chart

Summary: Average user rating of lnssatt.exe: based on 22 votes with 14 user comments. 20 users think lnssatt.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user suspects danger.

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Best practices for resolving lnssatt issues

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

lnssatt.exe [all]