How To Install F4SE and Fix F4SE Not Working Error (2023)

ByCaesar Hours

F4SE, also known as Fallout 4 Script Extender, enhances the scripting functionality of the Fallout 4 game. However, this extender is not widely known among many players, and its users may lack knowledge on troubleshooting any errors that may occur. To address this, we have prepared a comprehensive guide that will assist you in installing F4SE on your device.

How to Install F4SE on your Device?

Note: Before proceeding with this method, ensure that you have Nexus Mod Manager installed on your PC.

Step 1: Open a web browser on your device and visit the official website of Fallout 4 Script Extender. You can use the following link: ‘https://f4se.silverlock.org‘.

Step 2: Download the 7z archive file from the website. Once the download is complete, use 7-Zip or a similar program to extract the contents of the file.

Step 3: Launch Steam and right-click on Fallout 4 in your Library section.

Step 4: From the drop-down menu, select ‘Properties’ and then click on ‘Local files’ followed by ‘Browse local files’ to access the Fallout 4 directory.

Step 5: Copy all the files extracted from the F4SE folder and paste them into the Fallout 4 directory you accessed in the previous step.

Step 6: Right-click on the Data folder within the F4SE folder, hover your mouse over 7-Zip, and click on ‘Add to “Data.7z”‘ to compress the folder.

Step 7: Rename the newly created file with a name of your choice.

Once you have completed all the steps, launch the game using the f4se_loader.exe file located in the Fallout 4 directory. You can add a shortcut to your desktop and customize its icon as desired. You can refer to the video below for a step-by-step demonstration.

Many F4SE users have encountered the “F4SE not working” error. To address this issue, we have prepared a detailed guide that not only identifies the possible causes of this error but also provides troubleshooting methods to resolve it.

What Causes the F4SE to Stop Working?


Here are some of the main reasons why F4SE may stop working:

  1. Pending Updates: F4SE needs to be regularly updated by both the developer and the users to align with the latest game updates. If you are using an outdated version of F4SE that is not compatible with the current game version, you will encounter an error.
  2. Compatibility Issues: Sometimes, the F4SE application may encounter compatibility problems with the operating system of your device. This can result in the occurrence of an F4SE error.
  3. Missing Files: If a crucial file is missing from the game, it can lead to an error when launching F4SE.
  4. Windows Firewall: To safeguard your computer from potential threats, Windows Firewall imposes restrictions on various applications, including F4SE, from accessing the internet. These restrictions can cause the F4SE not working error on your PC.

Now that we have highlighted the reasons for the F4SE not working error, let us explore the methods that can be employed to resolve it.

How to Fix F4SE (Fallout 4 Script Extender) not working Error?


Method 1: Update F4SE Application Step 1: Download the latest version of F4SE from the internet. Step 2: Extract the files “f4se_1_10_120.dll,” “f4se_loader.exe,” and “f4se_steam_loader.dll” to the Fallout installation folder. Step 3: Launch the game using the “f4se_loader.exe” file that you just copied. Note: Replace all files when prompted during the copying process.

Method 2: Run Compatibility Troubleshooter To resolve compatibility issues between the application file and your operating system, follow these steps: Step 1: Go to the Fallout 4 installation folder. Step 2: Right-click on the “f4se_loader.exe” file and select “Properties” from the dropdown menu. Step 3: Navigate to the “Compatibility” tab and click on the “Run Compatibility Troubleshooter” option. Windows will automatically determine the best settings for your PC. Test these settings and apply them if the error is resolved.

Method 3: Add Fallout 4 Files to the Exception List in Windows Firewall Step 1: On your Windows PC, go to the “Updates & Security” window. Step 2: Select “Windows Security” on the left side of the window and choose “Firewall & Network Protection.” Step 3: Scroll down and locate the “Allow an App through Firewall” option. Click on “Change Settings.” Step 4: Grant access to all Fallout 4 related applications for both “Private” and “Public” networks. Click “OK” and launch the game to check if the error persists.

Method 4: Run as Administrator Step 1: Right-click on the F4SE executable file. Step 2: Select “Run as administrator” from the dropdown menu. Check if the F4SE error is resolved. You can set it to always run as administrator from the compatibility tab.

Conclusion:

This concludes our comprehensive guide on F4SE 2021 (Fallout 4 Script Extender). In this article, we have provided step-by-step instructions on how to install F4SE on your device, update it, and troubleshoot any issues related to F4SE not working. If there are any additional valuable insights or information about F4SE that we may have overlooked, we encourage you to share them in the comments section below.

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