How to Fix .NSH Files After System Errors and Failures

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .NSH file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Fix .NSH Files After System Errors and Failures
Data Recovery Tool

What is a .NSH file?

Installer file used by NSIS (Nullsoft Scriptable Install System), a program used for creating Windows installers; saves header information that can be included across all .NSI installer scripts; helps setup common environment conditions for an installation.

What Are Common Causes of ".NSH" Files Lost or Failure?

There can be several common causes for ".NSH" file loss or failure. Some of them include:

  1. Accidental deletion: Users may unintentionally delete ".NSH" files while organizing or cleaning up their system.
  2. Software or hardware issues: Issues with the software or hardware components of a system can result in ".NSH" file loss or failure. This can include system crashes, software conflicts, or hardware failures.
  3. Virus or malware attacks: Malicious software can infect and corrupt ".NSH" files, making them inaccessible or causing them to be lost.
  4. File system errors: Errors in the file system, such as file system corruption or bad sectors on the storage device, can lead to ".NSH" file loss or failure.
  5. Power outages or improper system shutdown: Abrupt power outages or improper shutdowns can interrupt the file saving process, leading to ".NSH" file loss or corruption.
  6. Human error: Mistakes made by users, such as accidental formatting of the storage device or improper handling of files, can result in ".NSH" file loss.
  7. Software updates or upgrades: Sometimes, during software updates or upgrades, ".NSH" files may get overwritten or become incompatible with the new software version, leading to file failure.
  8. Physical damage to storage media: Physical damage to the storage media, such as hard drive failure or damage to external storage devices, can result in ".NSH" file loss.

It is important to regularly backup ".NSH" files to prevent loss and use reliable data recovery tools or services to recover lost or corrupted files.

How to recover lost ".NSH" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".NSH" file may be deleted.

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🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".NSH" file is always to create it once more.

Use programs for recovering ".NSH" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".NSH" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

Partition Recovery™ 5.0
The tool recovers data from any devices, regardless of the cause of data loss.
Download

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software

  3. Double-click on the disk from which you need to recover ".NSH" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type

  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored

  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan

  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery

  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".NSH" extension?

Looking for how to open a stereo nSIS Header File image file file?

Programs that open ".NSH" files

Windows
File Viewer Plus File Viewer Plus
Nullsoft NSIS Nullsoft NSIS
Eclipse with EclipseNSIS plug-in Eclipse with EclipseNSIS plug-in
spaceblue Venis IX spaceblue Venis IX
HM NIS EDIT HM NIS EDIT
Any <a href=text editor"> Any text editor

Additional Information

  • File type: NSIS Header File

  • File extension: .NSH

  • Developer: Nullsoft

  • Category: Developer Files

  • Format: Text

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 12:18 #
    Leave a comment if you have any questions about Recovering lost .NSH files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What is the file extension .NSH and what type of file does it represent?

    The file extension .NSH typically represents a Nullsoft Scriptable Install System (NSIS) Header file. NSIS is an open-source system for creating Windows installers. The .NSH file contains script code written in the NSIS scripting language, which is used to define the behavior and structure of an installer. It includes various commands, functions, and variables that control the installation process.

  • How can I open a .NSH file and what software or tools are required?

    A .NSH file is a script file used by the Nullsoft Scriptable Install System (NSIS) to create Windows installer packages. To open and work with .NSH files, you can follow these steps:

    1. Install NSIS: First, you need to download and install the Nullsoft Scriptable Install System (NSIS) software. You can find the official NSIS website at https://nsis.sourceforge.io/ where you can download the latest version of NSIS.
    2. Launch NSIS Script Editor: Once NSIS is installed, it provides a script editor called "NSIS Script Editor" or "NSIS Unicode". Open the NSIS Script Editor application on your computer.
    3. Open the .NSH file: In the NSIS Script Editor, go to the "File" menu and select "Open". Browse to the location where your .NSH file is saved and select it. The .NSH file will now open in the NSIS Script Editor.
    4. Edit or view the script: With the .NSH file open in the NSIS Script Editor, you can view and modify the script code as needed. NSH files contain NSIS script commands and functions used to define the behavior of the installer package.
    5. Save and compile the script: After making any necessary changes to the .NSH script, save the file using the "Save" or "Save As" option in the File menu. To compile the script into an executable installer, use the "Compile Script" option in the NSIS Script Editor.

    By following these steps, you can open and work with .NSH files using the Nullsoft Scriptable Install System (NSIS) software.

  • Are there any specific steps or instructions to follow when trying to open a .NSH file?

    Yes, to open a .NSH file, you can follow these steps:

    1. Determine the purpose of the .NSH file: .NSH files are typically associated with NSIS (Nullsoft Scriptable Install System), an open-source tool used for creating Windows installers. Ensure that you have NSIS installed on your computer.
    2. Install NSIS: If you don't have NSIS installed, download and install it from the official NSIS website (https://nsis.sourceforge.io/Download).
    3. Launch NSIS: Once NSIS is installed, open the NSIS program.
    4. Open the .NSH file: In NSIS, go to the "File" menu and select "Open." Alternatively, you can use the keyboard shortcut Ctrl+O.
    5. Locate and select the .NSH file you want to open: Browse your computer's file system to find the .NSH file you wish to open. Select it and click "Open" or press Enter.
    6. View and edit the .NSH file: The .NSH file will open in the NSIS script editor, where you can view and modify the contents of the script.

    Note: If the .NSH file is associated with another program or has a different purpose, these steps may not be applicable. In such cases, you might need to use a different software or consult the documentation specific to that file type.
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