What is nlssrv32.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 nlssrv32.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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Nlssrv32.exe file information

Windows Task Manager with nlssrv32
Nlssrv32.exe process in Windows Task Manager

The process known as This service enables products that use the Nalpeiron Licensing System belongs to software Nalpeiron License Management or This service enables products that use the Nalpeiron Licensing System by Nalpeiron (

Description: Nlssrv32.exe is not essential for the Windows OS and causes relatively few problems. Nlssrv32.exe is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 66,560 bytes (42% of all occurrences), 70,768 bytes and 15 more variants. 
The program has no visible window. It is not a Windows core file. Nlssrv32.exe is digitally signed. Therefore the technical security rating is 39% dangerous, however you should also read the user reviews.

Uninstalling this variant: If there are any problems with nlssrv32.exe, you might want to do the following:
  • search for help on the company [1][2]'s website
  • uninstall Nitro Pro or Nitro Pro 8 from your computer using the Control Panel applet Uninstall a Program

Recommended: Identify nlssrv32.exe related errors

Important: Some malware camouflages itself as nlssrv32.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the nlssrv32.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

The modern licensing solution of choice for over 1000 software developers of all sizes, including Reuters, Symantec, Asyst and Texas Instruments
  radce   (further information)
Nalpeiron Licensing Service. Background service task which is an integral part of Nalpeiron's copy protection software (software which enables other software manufacturers to protect their products from illegal copying).
  meetoo   (further information)
resident part of licenses manageming application
  meetoo   (further information)
Nalpeiron's copy protection software
nlssrv.exe is 56.0 KB (57,344 bytes) This service enables products that use the Nalpeiron Licensing System and can also be found in C:\Windows\SysWOW64
  Bradmph   (further information)
loaded with NitroPDF Pro, licensing protection
  JaSB Consulting   (further information)
Datei ist flüssig, absolut überflüssig, Nitro Hilfsdatei, um ihr Lizenzvorhaben zu verschleiern.

Rating chart

Summary: Average user rating of nlssrv32.exe: based on 7 votes with 7 user comments. 4 users think nlssrv32.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous.

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Best practices for resolving nlssrv32 issues

A clean and tidy computer is the key requirement for avoiding problems with nlssrv32. 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 nlssrv32.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

nlssrv32.exe [all]