Download Nss3.dll for Windows 10, 8.1, 8, 7, Vista and XP

Nss3.dll download. The Nss3.dll file is a dynamic link library for Windows 10, 8.1, 8, 7, Vista and XP. You can fix "The file Nss3.dll is missing." and "Nss3.dll not found." errors by downloading and installing this file from our site.

What is Nss3.dll? What Does It Do?

The Nss3.dll file was developed by Netscape Communications and Mozilla Foundation.

The Nss3.dll file is 1.6 MB. The download links for this file are clean and no user has given any negative feedback. From the time it was offered for download, it has been downloaded 5673 times.

Operating Systems Compatible with the Nss3.dll File

All Versions of the Nss3.dll File

The last version of the Nss3.dll file is the 39.0.3.5696 version. Before this version, there were 13 versions released. Downloadable Nss3.dll file versions have been listed below from newest to oldest.

  1. 39.0.3.5696 - 32 Bit (x86) Download directly this version
  2. 36.0.1.5542 - 32 Bit (x86) Download directly this version
  3. 32.0.3.5379 - 32 Bit (x86) Download directly this version
  4. 32.0.2.5373 - 32 Bit (x86) Download directly this version
  5. 27.0.1.5156 - 32 Bit (x86) Download directly this version
  6. 25.0.1.5064 - 32 Bit (x86) Download directly this version
  7. 24.0.0.5001 - 32 Bit (x86) Download directly this version
  8. 3.12.11.0 - 32 Bit (x86) (2011-12-31) Download directly this version
  9. 3.12.11.0 - 32 Bit (x86) Download directly this version
  10. 3.15.4.0 - 32 Bit (x86) (2014-06-30) Download directly this version
  11. 3.13.1.0 - 32 Bit (x86) (2012-02-29) Download directly this version
  12. 3.13.1.0 - 32 Bit (x86) Download directly this version
  13. 3.12.6.2 - 32 Bit (x86) Download directly this version
  14. 3.5.1.0 - 32 Bit (x86) Download directly this version

Guide to Download Nss3.dll

  1. Click on the green-colored "Download" button on the top left side of the page.
    Download process of the Nss3.dll file's
    Step 1:Download process of the Nss3.dll file's
  2. "After clicking the Download" button, wait for the download process to begin in the "Downloading" page that opens up. Depending on your Internet speed, the download process will begin in approximately 4 -5 seconds.

Methods for Solving Nss3.dll

ATTENTION! Before beginning the installation of the Nss3.dll file, you must download the file. If you don't know how to download the file or if you are having a problem while downloading, you can look at our download guide a few lines above.

Method 1: Copying the Nss3.dll File to the Windows System Folder

  1. The file you downloaded is a compressed file with the extension ".zip". This file cannot be installed. To be able to install it, first you need to extract the dll file from within it. So, first double-click the file with the ".zip" extension and open the file.
  2. You will see the file named "Nss3.dll" in the window that opens. This is the file you need to install. Click on the dll file with the left button of the mouse. By doing this, you select the file.
    Choosing the Nss3.dll file
    Step 2:Choosing the Nss3.dll file
  3. Click on the "Extract To" button, which is marked in the picture. In order to do this, you will need the Winrar software. If you don't have the software, it can be found doing a quick search on the Internet and you can download it (The Winrar software is free).
  4. After clicking the "Extract to" button, a window where you can choose the location you want will open. Choose the "Desktop" location in this window and extract the dll file to the desktop by clicking the "Ok" button.
    Extracting the Nss3.dll file to the desktop
    Step 3:Extracting the Nss3.dll file to the desktop
  5. Copy the "Nss3.dll" file and paste it into the "C:\Windows\System32" folder.
    Copying the Nss3.dll file into the Windows/System32 folder
    Step 3:Copying the Nss3.dll file into the Windows/System32 folder
  6. If your operating system has a 64 Bit architecture, copy the "Nss3.dll" file and paste it also into the "C:\Windows\sysWOW64" folder.
    NOTE! On 64 Bit systems, the dll file must be in both the "sysWOW64" folder as well as the "System32" folder. In other words, you must copy the "Nss3.dll" file into both folders.
    Pasting the Nss3.dll file into the Windows/sysWOW64 folder
    Step 4:Pasting the Nss3.dll file into the Windows/sysWOW64 folder
  7. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 5:Running the Command Line as an administrator
  8. Paste the command below into the Command Line window that opens and hit the Enter key on your keyboard. This command will delete the Nss3.dll file's damaged registry (It will not delete the file you pasted into the System32 folder, but will delete the registry in Regedit. The file you pasted in the System32 folder will not be damaged in any way).
    %windir%\System32\regsvr32.exe /u Nss3.dll
    Uninstalling the Nss3.dll file from the system registry
    Step 6:Uninstalling the Nss3.dll file from the system registry
  9. If you are using a 64 Bit operating system, after doing the commands above, you also need to run the command below. With this command, we will also delete the Nss3.dll file's damaged registry for 64 Bit (The deleting process will be only for the registries in Regedit. In other words, the dll file you pasted into the SysWoW64 folder will not be damaged at all).
    %windir%\SysWoW64\regsvr32.exe /u Nss3.dll
    Uninstalling the damaged Nss3.dll file's registry from the system (for 64 Bit)
    Step 7:Uninstalling the damaged Nss3.dll file's registry from the system (for 64 Bit)
  10. You must create a new registry for the dll file that you deleted from the registry editor. In order to do this, copy the command below and paste it into the Command Line and hit Enter.
    %windir%\System32\regsvr32.exe /i Nss3.dll
    Creating a new registry for the Nss3.dll file
    Step 8:Creating a new registry for the Nss3.dll file
  11. Windows 64 Bit users must run the command below after running the previous command. With this command, we will create a clean and good registry for the Nss3.dll file we deleted.
    %windir%\SysWoW64\regsvr32.exe /i Nss3.dll
    Creating a clean and good registry for the Nss3.dll file (64 Bit için)
    Step 9:Creating a clean and good registry for the Nss3.dll file (64 Bit için)
  12. You may see certain error messages when running the commands from the command line. These errors will not prevent the installation of the Nss3.dll file. In other words, the installation will finish, but it may give some errors because of certain incompatibilities. After restarting your computer, to see if the installation was successful or not, try running the software that was giving the dll error again. If you continue to get the errors when running the software after the installation, you can try the 2nd Method as an alternative.

Method 2: Copying The Nss3.dll File Into The Software File Folder

  1. First, you need to find the file folder for the software you are receiving the "Nss3.dll not found", "Nss3.dll is missing" or other similar dll errors. In order to do this, right-click on the shortcut for the software and click the Properties option from the options that come up.
    Opening software properties
    Step 1:Opening software properties
  2. Open the software's file folder by clicking on the Open File Location button in the Properties window that comes up.
    Opening the software's file folder
    Step 2:Opening the software's file folder
  3. Copy the Nss3.dll file into the folder we opened up.
    Copying the Nss3.dll file into the software's file folder
    Step 3:Copying the Nss3.dll file into the software's file folder
  4. That's all there is to the installation process. Run the software giving the dll error again. If the dll error is still continuing, completing the 3rd Method may help solve your problem.

Method 3: Doing a Clean Reinstall of the Software That Is Giving the Nss3.dll Error

  1. Open the Run tool by pushing the "Windows" + "R" keys found on your keyboard. Type the command below into the "Open" field of the Run window that opens up and press Enter. 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. On the Programs and Features screen that will come up, you will see the list of softwares on your computer. Find the software that gives you the dll error and with your mouse right-click it. The right-click menu will open. Click the "Uninstall" option in this menu to start the uninstall process.
    Uninstalling the software that gives you the dll error
    Step 2:Uninstalling the software that gives you the dll error
  3. You will see a "Do you want to uninstall this software?" confirmation window. Confirm the process and wait for the software to be completely uninstalled. The uninstall process can take some time. This time will change according to your computer's performance and the size of the software. After the software is uninstalled, restart your computer.
    Confirming the uninstall process
    Step 3:Confirming the uninstall process
  4. After restarting your computer, reinstall the software.
  5. You can solve the error you are expericing with this method. If the dll error is continuing in spite of the solution methods you are using, the source of the problem is the Windows operating system. In order to solve dll errors in Windows you will need to complete the 4th Method and the 5th Method in the list.

Method 4: Solving the Nss3.dll Problem by Using the Windows System File Checker (scf scannow)

  1. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 1:Running the Command Line as an administrator
  2. After typing the command below into the Command Line, push Enter.
    sfc /scannow
    Getting rid of dll errors using Windows's sfc /scannow command
    Step 2:Getting rid of dll errors using Windows's sfc /scannow command
  3. Depending on your computer's performance and the amount of errors on your system, this process can take some time. You can see the progress on the Command Line. Wait for this process to end. After the scan and repair processes are finished, try running the software giving you errors again.

Method 5: Fixing the Nss3.dll Error by Manually Updating Windows

Most of the time, softwares have been programmed to use the most recent dll files. If your operating system is not updated, these files cannot be provided and dll errors appear. So, we will try to solve the dll errors by updating the operating system.

Since the methods to update Windows versions are different from each other, we found it appropriate to prepare a separate article for each Windows version. You can get our update article that relates to your operating system version by using the links below.

Explanations on Updating Windows Manually

  1. Explanation on Updating Windows 10 Manually
  2. Explanation on Updating Windows 8.1 and Windows 8 Manually
  3. Explanation on Updating Windows 7 and Windows Vista Manually
  4. Explanation on Updating Windows XP Manually

Our Most Common Nss3.dll Error Messages

If the Nss3.dll file is missing or the software using this file has not been installed correctly, you can get errors related to the Nss3.dll file. Dll files being missing can sometimes cause basic Windows softwares to also give errors. You can even receive an error when Windows is loading. You can find the error messages that are caused by the Nss3.dll file.

If you don't know how to install the Nss3.dll file you will download from our site, you can browse the methods above. Above we explained all the processes you can do to solve the dll error you are receiving. If the error is continuing after you have completed all these methods, please use the comment form at the bottom of the page to contact us. Our editor will respond to your comment shortly.

  1. "Nss3.dll not found." error
  2. "The file Nss3.dll is missing." error
  3. "Nss3.dll access violation." error
  4. "Cannot register Nss3.dll." error
  5. "Cannot find Nss3.dll." error
  6. "This application failed to start because Nss3.dll was not found. Re-installing the application may fix this problem." error

Other Dll Files Used with Nss3.dll