What is npnj5Agent.exe?

The genuine npnj5Agent.exe file is a software component of nProtect Netizen by INCA Internet Co..
Npnj5Agent.exe is an executable file that is associated with nProtect Netizen, a security program that provides real-time system information. This file is not a critical Windows component and should be removed if known to cause problems. The nProtect Netizen Agent was one of the first security software products released by nProtect. It is currently part of nProtect Online Security, a product that provides online security product and features such as Malware Monitoring (AV), Network Protection (FW), Anti-Phishing, DNS Monitoring, Keystroke Protection and Anti-Screen Capture designed to safeguard users from a whole host of online threats. 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.

npnj5Agent stands for nProtect Netizen Agent

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 npnj5Agent.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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Npnj5Agent.exe file information

The process known as nProtect Netizen Agent belongs to software nProtect Netizen Agent by INCA Internet Co. (

Description: Npnj5Agent.exe is not essential for the Windows OS and causes relatively few problems. Npnj5Agent.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 213,279 bytes (50% of all occurrences) or 815,391 bytes. 
The file is located in the Windows folder, but it is not a Windows core file. The program is not visible. It is not a Windows core file. Npnj5Agent.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 61% dangerous.

Recommended: Identify npnj5Agent.exe related errors

Important: Some malware camouflages itself as npnj5Agent.exe. Therefore, you should check the npnj5Agent.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.


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Best practices for resolving npnj5Agent issues

A clean and tidy computer is the key requirement for avoiding problems with npnj5Agent. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the npnj5Agent.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

npnj5Agent.exe [all]