What is npkcmsvc.exe?

The genuine npkcmsvc.exe file is a software component of nProtect KeyCrypt by INCA Internet Co..
Npkcmsvc.exe is a an executable file that runs the nProtect KeyCrypt Manager Service, a part of nProtect KeyCrypt, a security software designed to prevent potential keyloggers from recording data from a user's keyboard strokes. This file is not a critical Windows component and should be removed if known to cause problems. nProtect Keycrypt provides security for internet banking, electronic commerce and online transactions. It is a software program that detects and disables keyboard hacks and prevents malicious software from recording a user's keyboard input. The INCA Internet Co. is a Korean security company that provides security solutions primarily to the gaming and e-commerce industries. It also develops online antivirus solutions for regular users and internal security systems for corporations. INCA products are heavily used in many Korean and Japanese financial organizations, public institutions, and online game development companies.

nPKCMSvc stands for nProtect KeyCrypt Manager 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 npkcmsvc.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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Npkcmsvc.exe file information

The process known as nProtect KeyCrypt Manager Service belongs to software nProtect KeyCrypt Manager Service or Mabinogi or MapleStory or Lineage or Oblivion - Thieves Den by INCA Internet Co. (

Description: Npkcmsvc.exe is not essential for Windows and will often cause problems. Npkcmsvc.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\ or in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 80,528 bytes (85% of all occurrences), 88,728 bytes or 76,680 bytes. 
The program is not visible. The file is a Verisign signed file. The file has a digital signature. The file is not a Windows system file. Therefore the technical security rating is 21% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software vendor offers the option to get help from the software vendor Nexon or uninstall the program using the Control Panel ⇒ Uninstall a ProgramMabinogi or MapleStory.

Recommended: Identify npkcmsvc.exe related errors

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

its not dangerous its actually a background security software
  slmfreeski   (further information)
npkcmsvc.exe is part of nProtect KeyCrypt Manager Service developed by INCA Internet Co, runs in background.
  Garry Porter  
A trojan which considers itself a security service. It blocks other programs and slows down the computer. You will not be able to shut down it, either.
  Barry Trotter  

Summary: Average user rating of npkcmsvc.exe: based on 3 votes with 3 user comments. 2 users think npkcmsvc.exe is essential for Windows or an installed application. One user thinks npkcmsvc.exe is dangerous and recommends removing it.

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Best practices for resolving npkcmsvc issues

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

npkcmsvc.exe [all]