Download Nspr4.dll for Windows 10, 8.1, 8, 7, Vista and XP

Nspr4.dll download. The Nspr4.dll file is a dynamic link library for Windows 10, 8.1, 8, 7, Vista and XP. You can fix "The file Nspr4.dll is missing." and "Nspr4.dll not found." errors by downloading and installing this file from our site.

Nspr4.dll Explanation

The Nspr4.dll library is a dynamic link library developed by Netscape Communications, Mozilla Foundation. This library includes important functions that may be needed by programs, games or other basic Windows tools.

The Nspr4.dll library is 0.18 MB. The download links are current and no negative feedback has been received by users. It has been downloaded 4862 times since release and it has received 3.7 out of 5 stars.

Operating Systems Compatible with the Nspr4.dll Library

All Versions of the Nspr4.dll Library

The last version of the Nspr4.dll library is the 4.10.2.0 version. Before this version, there were 7 versions released. Downloadable Nspr4.dll library versions have been listed below from newest to oldest.

  1. 4.10.2.0 - 32 Bit (x86) Download directly this version
  2. 4.9.5.0 - 32 Bit (x86) Download directly this version
  3. 4.9.1.0 - 32 Bit (x86) Download directly this version
  4. 4.8.4.0 - 32 Bit (x86) Download directly this version
  5. 4.6.5.0 - 32 Bit (x86) (2012-01-31) Download directly this version
  6. 4.6.5.0 - 32 Bit (x86) Download directly this version
  7. 4.4.0.0 - 32 Bit (x86) (2004-01-31) Download directly this version
  8. 4.4.0.0 - 32 Bit (x86) Download directly this version

Guide to Download Nspr4.dll

  1. First, click the "Download" button with the green background (The button marked in the picture).
    Download the Nspr4.dll library
    Step 1:Download the Nspr4.dll library
  2. When you click the "Download" button, the "Downloading" window will open. Don't close this window until the download process begins. The download process will begin in a few seconds based on your Internet speed and computer.

Methods to Fix the Nspr4.dll Errors

ATTENTION! Before beginning the installation of the Nspr4.dll library, you must download the library. If you don't know how to download the library or if you are having a problem while downloading, you can look at our download guide a few lines above.

Method 1: Installing the Nspr4.dll Library to the Windows System Directory

  1. The file you will download is a compressed file with the ".zip" extension. You cannot directly install the ".zip" file. Because of this, first, double-click this file and open the file. You will see the library named "Nspr4.dll" in the window that opens. Drag this library to the desktop with the left mouse button. This is the library you need.
    Extracting the Nspr4.dll library from the .zip file
    Step 1:Extracting the Nspr4.dll library from the .zip file
  2. Copy the "Nspr4.dll" library and paste it into the "C:\Windows\System32" directory.
    Copying the Nspr4.dll library into the Windows/System32 directory
    Step 2:Copying the Nspr4.dll library into the Windows/System32 directory
  3. If your operating system has a 64 Bit architecture, copy the "Nspr4.dll" library and paste it also into the "C:\Windows\sysWOW64" directory.
    NOTE! On 64 Bit systems, the dynamic link library must be in both the "sysWOW64" directory as well as the "System32" directory. In other words, you must copy the "Nspr4.dll" library into both directories.
    Pasting the Nspr4.dll library into the Windows/sysWOW64 directory
    Step 3:Pasting the Nspr4.dll library into the Windows/sysWOW64 directory
  4. First, we must run the Windows Command Prompt as an administrator.
    NOTE! We ran the Command Prompt on Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same methods to run the Command Prompt as an administrator.
    1. Open the Start Menu and type in "cmd", but don't press Enter. Doing this, you will have run a search of your computer through the Start Menu. In other words, typing in "cmd" we did a search for the Command Prompt.
    2. When you see the "Command Prompt" option among the search results, push the "CTRL" + "SHIFT" + "ENTER
    3. " keys on your keyboard.
    4. A verification window will pop up asking, "Do you want to run the Command Prompt as with administrative permission?" Approve this action by saying, "Yes".
    Running the Command Prompt with administrative permission
    Step 4:Running the Command Prompt with administrative permission
  5. Paste the command below into the Command Line that will open up and hit Enter. This command will delete the damaged registry of the Nspr4.dll library (It will not delete the file we pasted into the System32 directory; it will delete the registry in Regedit. The file we pasted into the System32 directory will not be damaged).
    %windir%\System32\regsvr32.exe /u Nspr4.dll
    Deleting the damaged registry of the Nspr4.dll
    Step 5:Deleting the damaged registry of the Nspr4.dll
  6. If the Windows you use has 64 Bit architecture, after running the command above, you must run the command below. This command will clean the broken registry of the Nspr4.dll library from the 64 Bit architecture (The Cleaning process is only with registries in the Windows Registry Editor. In other words, the dynamic link library that we pasted into the SysWoW64 directory will stay as it is).
    %windir%\SysWoW64\regsvr32.exe /u Nspr4.dll
    Uninstalling the broken registry of the Nspr4.dll library from the Windows Registry Editor (for 64 Bit)
    Step 6:Uninstalling the broken registry of the Nspr4.dll library from the Windows Registry Editor (for 64 Bit)
  7. In order to cleanly recreate the dll library's registry that we deleted, copy the command below and paste it into the Command Line and hit Enter.
    %windir%\System32\regsvr32.exe /i Nspr4.dll
    Reregistering the Nspr4.dll library in the system
    Step 7:Reregistering the Nspr4.dll library in the system
  8. If you are using a Windows with 64 Bit architecture, after running the previous command, you need to run the command below. By running this command, we will have created a clean registry for the Nspr4.dll library (We deleted the damaged registry with the previous command).
    %windir%\SysWoW64\regsvr32.exe /i Nspr4.dll
    Creating a clean registry for the Nspr4.dll library (for 64 Bit)
    Step 8:Creating a clean registry for the Nspr4.dll library (for 64 Bit)
  9. If you did the processes in full, the installation should have finished successfully. If you received an error from the command line, you don't need to be anxious. Even if the Nspr4.dll library was installed successfully, you can still receive error messages like these due to some incompatibilities. In order to test whether your dll issue was fixed or not, try running the program giving the error message again. If the error is continuing, try the 2nd Method to fix this issue.

Method 2: Copying The Nspr4.dll Library Into The Program Installation Directory

  1. First, you need to find the installation directory for the program you are receiving the "Nspr4.dll not found", "Nspr4.dll is missing" or other similar dll errors. In order to do this, right-click on the shortcut for the program and click the Properties option from the options that come up.
    Opening program properties
    Step 1:Opening program properties
  2. Open the program's installation directory by clicking on the Open File Location button in the Properties window that comes up.
    Opening the program's installation directory
    Step 2:Opening the program's installation directory
  3. Copy the Nspr4.dll library into the directory we opened.
    Copying the Nspr4.dll library into the installation directory of the program.
    Step 3:Copying the Nspr4.dll library into the installation directory of the program.
  4. The installation is complete. Run the program that is giving you the error. If the error is continuing, you may benefit from trying the 3rd Method as an alternative.

Method 3: Uninstalling and Reinstalling the Program That Is Giving the Nspr4.dll Error

  1. Press the "Windows" + "R" keys at the same time to open the Run tool. Paste the command below into the text field titled "Open" in the Run window that opens and press the Enter key on your keyboard. This command will open the "Programs and Features" tool.
    appwiz.cpl
    Opening the Programs and Features tool with the Appwiz.cpl command
    Step 1:Opening the Programs and Features tool with the Appwiz.cpl command
  2. The programs listed in the Programs and Features window that opens up are the programs installed on your computer. Find the program that gives you the dll error and run the "Right-Click > Uninstall" command on this program.
    Uninstalling the program from your computer
    Step 2:Uninstalling the program from your computer
  3. Following the instructions that come up, uninstall the program from your computer and restart your computer.
    Following the verification and instructions for the program uninstall process
    Step 3:Following the verification and instructions for the program uninstall process
  4. After restarting your computer, reinstall the program that was giving the error.
  5. You may be able to fix the dll error you are experiencing by using this method. If the error messages are continuing despite all these processes, we may have a issue deriving from Windows. To fix dll errors deriving from Windows, you need to complete the 4th Method and the 5th Method in the list.

Method 4: Fixing the Nspr4.dll Issue by Using the Windows System File Checker (scf scannow)

  1. First, we must run the Windows Command Prompt as an administrator.
    NOTE! We ran the Command Prompt on Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same methods to run the Command Prompt as an administrator.
    1. Open the Start Menu and type in "cmd", but don't press Enter. Doing this, you will have run a search of your computer through the Start Menu. In other words, typing in "cmd" we did a search for the Command Prompt.
    2. When you see the "Command Prompt" option among the search results, push the "CTRL" + "SHIFT" + "ENTER
    3. " keys on your keyboard.
    4. A verification window will pop up asking, "Do you want to run the Command Prompt as with administrative permission?" Approve this action by saying, "Yes".
    Running the Command Prompt with administrative permission
    Step 1:Running the Command Prompt with administrative permission
  2. Paste the command in the line below into the Command Line that opens up and press Enter key.
    sfc /scannow
    fixing Windows system errors using the sfc /scannow command
    Step 2:fixing Windows system errors using the sfc /scannow command
  3. The scan and repair process can take some time depending on your hardware and amount of system errors. Wait for the process to complete. After the repair process finishes, try running the program that is giving you're the error.

Method 5: Getting Rid of Nspr4.dll Errors by Updating the Windows Operating System

Some programs need updated dynamic link libraries. When your operating system is not updated, it cannot fulfill this need. In some situations, updating your operating system can solve the dll errors you are experiencing.

In order to check the update status of your operating system and, if available, to install the latest update packs, we need to begin this process manually.

Depending on which Windows version you use, manual update processes are different. Because of this, we have prepared a special article for each Windows version. You can get our articles relating to the manual update of the Windows version you use from the links below.

Guides to Manually Update for All Windows Versions

  1. Guide to Manually Update Windows 10
  2. Guide to Manually Update Windows 8.1 and Windows 8
  3. Guide to Manually Update Windows 7 and Windows Vista
  4. Guide to Manually Update Windows XP

The Most Seen Nspr4.dll Errors

When the Nspr4.dll library is damaged or missing, the programs that use this dynamic link library will give an error. Not only external programs, but also basic Windows programs and tools use dynamic link libraries. Because of this, when you try to use basic Windows programs and tools (For example, when you open Internet Explorer or Windows Media Player), you may come across errors. We have listed the most common Nspr4.dll errors below.

You will get rid of the errors listed below when you download the Nspr4.dll library from DLL Downloader.com and follow the steps we explained above.

  1. "Nspr4.dll not found." error
  2. "The file Nspr4.dll is missing." error
  3. "Nspr4.dll access violation." error
  4. "Cannot register Nspr4.dll." error
  5. "Cannot find Nspr4.dll." error
  6. "This application failed to start because Nspr4.dll was not found. Re-installing the application may fix this problem." error