What is lkcitdl.exe?

The genuine lkcitdl.exe file is a software component of LabVIEW by National Instruments.
Used to manage data and for historical data logging, the Lookout Citadel application functions to support LabVIEW. LabVIEW is a graphical programming environment released by National Instruments. A large function of the LabVIEW environment is to create and maintain methods of data acquisition. Lookout Citadel allows databases saved in the Citadel format to be loaded with LabVIEW. Founded in the 1970s, National Instruments is located in Austin, Texas, and produces automated digital test equipment and software.

LkCitdl stands for Lookout Citadel Service

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 lkcitdl.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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Lkcitdl.exe file information

Windows Task Manager with lkcitdl
Lkcitdl.exe process in Windows Task Manager

The process known as Part of Logos or Logos Executable belongs to software National Instruments Logos or National Instruments by National Instruments (

Description: Lkcitdl.exe is not essential for the Windows OS and causes relatively few problems. Lkcitdl.exe is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 688,190 bytes (62% of all occurrences), 695,136 bytes or 573,515 bytes. 
The program has no visible window. Lkcitdl.exe is not a Windows core file. The software listens for or sends data on open ports to a LAN or the Internet. You can uninstall this program in the Control Panel. Lkcitdl.exe is able to hide itself. Therefore the technical security rating is 41% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to uninstall or NI Logos software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7) or get help from the software vendor NI.

Recommended: Identify lkcitdl.exe related errors

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

Bei mir ist es eine Datei, die durch ein Programm namens Multisim (National Instruments) installiert wurde
  tut nichts zur sache  
It's NI Multisim (electrotechnic software) essential file... I dont know what is doing, but I know it's for LABView software ot something...
bleibt auch nach deinstallation von national instruments - Trojaner MUSS WEG aber schwierig
  josef ackermann  
It is a part of a National Instruments program, used for monitoring the loudness of sound at concert environments. It is in no way essential for windows to run.
  Ross   (further information)

Summary: Average user rating of lkcitdl.exe: based on 3 votes with 4 user comments. One user thinks lkcitdl.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. One user is not sure about it.

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Best practices for resolving lkcitdl issues

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

lkcitdl.exe [all]