What is nppshellext.dll?

The genuine nppshellext.dll file is a software component of Notepad++ by Notepad++ team.
Nppshellext.dll is a DLL (Dynamic Link Library) file that belongs to Notepad++, a free software program that lets users edit source code. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is a critical component of Notepad++ and should not be directly removed. Notepad++ is a freely available text editor that can be used for editing program code. Notepad++ provides programmers many word processor features such as a spell checker, automatic word completion, syntax highlighting and folding, as well as a tabbed interface, drag and drop support, split screen editing, customizable GUI, macro recording capabilities, and support for multiple languages. Notepad++ was originally created by Don Ho in C++ using the Standard Template Library. This minimizes the overall program size and maximizes compiler execution speed. Notepad++ was initially released on November 24, 2003. It was hosted on where it has seen over 28 million downloads, so far.

NPPShellExt stands for Notepad Plus Plus Shell Extension Module

Nppshellext.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if nppshellext.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for nppshellext.dll related errors

Nppshellext.dll file information

The process known as Shell Extension Module belongs to software Notepad++ Shell Extension by Notepad++ team (

Description: Nppshellext.dll is not essential for the Windows OS and causes relatively few problems. Nppshellext.dll is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 14,848 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The nppshellext.dll file is not a Windows system file. nppshellext.dll appears to be a compressed file. Therefore the technical security rating is 66% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you run into problems with nppshellext.dll, you can also uninstall Notepad++ software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify nppshellext.dll related errors

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

Gehört zum Opensource-Editor Notepad++. Dient wohl dazu, diesen statt des Windows-Notepad zu benutzen.
  Tarkus   (further information)
great "Notepad"-replacement! can be configured to replace "Notepad" completly, displays every syntax in different colors e.g in batch files, html, etc.

Summary: Average user rating of nppshellext.dll: based on 2 votes with 2 user comments. 2 users think nppshellext.dll is essential for Windows or an installed application. One user is not sure about it.

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Best practices for resolving nppshellext issues

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

nppshellext.dll [all]