How to fix skse64 not working error? 

How to fix skse64 not working error? 

Although, Skyrim Script Extender 64 is one of the most reliable gaming tool that can enhance scripting capabilities. Users of this gaming tool have reported some complaints of “Skyrim Script Extender 64 is not working”. They are not able to open the game after installing mods through the skse64 executable. Most probably, the problem may occur due to an antivirus program installed or Windows defender may interrupt the program to run. Moreover, Windows Firewall may block some specific elements of the game. Additionally, a certain faulty mode can cause issues with the game. It’s one of the important tools, but sometimes while loading the game, you can receive a Bug notification via SkyUI “skse64 not working”. This error occurs mostly in newer versions of Skyrim SKSE64. You cannot load the game with executable mods unless the user fixes the fault. You can receive notifications as the SKSE64 update failed due to this error. If you are facing the same issue, then you should follow the instructions below to fix this issue.

What causes the skse64 launching error?

There are a variety of factors involved in creating the blockage of Skyrim. It keeps varying depending upon the user, but we will try to describe some most common causes creating the problem.

  1. Give the Access in Firewall

Windows Defender may often block the game to run and does not allow it to connect to the server. So, the game cannot be opened properly. So, you can whitelist skse64 on the Firewall to get it launched.

How to grant access. 

At first, go to the Start menu and click on the Settings icon. After that, navigate to the ‘Update & Security’ option and then click on the ‘Windows Security’ from the left side of the screen. Go to the ‘Firewall & Network Protection’ section. Then, click on the ‘Allow an application through the firewall’ option. After that, tap on the ‘Change Settings’ button to grant a required access. Now, allow Skyrim and all the apps that are related to Skyrim through both the Private and Public networks. Make sure that you have provided access to Steam and click on the OK button to complete the process.

3rd Party Chapters

It has also been observed that the program is blocked due to a certain antivirus program that is installed on your device. So, if you are using an antivirus program, you can add an exclusion to the folder and disable it. Windows Defender may also cause the blockage to open the game. So, to add an exclusion you need to follow the steps mentioned below.

  • First of all, perform the 1st two steps from the above solutions.
  • Then, click on the ‘Virus and threat protection’
  • Next, click on the ‘Manage Settings’ button by moving to the ‘Virus & Threat Protection Settings’
  • Next, go to the bottom of the page and click on the ‘Add or Remove an Exclusion’ option from the Exclusions section.
  • Click on the ‘Add an Exclusion’ option and then click on the ‘Folder’ Then, add the Skyrim folder to it.

Apart from that, the problem may also occur depending on the old Skyrim version because as we update our present Skyrim, old Skrim does not work on the new Skyrim.

Defective Mode Version

The problem may occur if you are trying faulty modes into the game. Try to download from reliable sources. Try to use the latest sources.

How to fix skse64 not working?

We have presented some effective solutions to fix the error. The solution worked successfully for all of the users facing the errors. So, you must use these methods to solve the problem.

Before, we go into the more complicated procedures, first restart the computer and try to launch the game. If it does not work, then move to the next possible solution.

 Whitelist Skyrim on Windows Firewall

Step 1: Type “Firewall & Network Protection” on your Windows Search Bar, next click on Firewall & Network Protection.

Step 2: Next, you need to click on “Allow an Application through Firewall” from your window.

Step3: Click on “Change Settings” from the new window, you can whitelist apps.

Step 4: Access permission to Skyrim and relevant apps on private and public networks through selecting the boxes.

Step 5: Make sure that you have granted permission to Skyrim on both public and private networks.

Step 6: Press Ok to apply the change.

Allow Skyrim on 3rd party antivirus software or Windows Defender

There is an option to whitelist your desired apps, so you can use this option to whitelist Skyrim so that you may open the app without any interruption. But, first, we will let you know how you can allow Skyrim on Windows Defender.

Allow Skyrim on Windows Defender:

Step 1: Search “Virus and threat protection” on your windows search bar and click on it as it appears.

Step 2: Scroll down to “Virus and threat protection Settings”, click Manage Settings under Virus and threat protection Settings.

Step 3: Move down to “Add or Remove an Exclusion”, you will find it under Exclusions

Step 4: Click on “Add an Exclusion”, then click on “Folder”.

Step 5: Now you can select the Skyrim folder here to let you whitelist it.

Step 6: Launch Skyrim to check if SKSE64 is functioning or not. If the problem persists, move to the next method.

Allow Skyrim on 3rd party antivirus:

There are a variety of antivirus programs in the market. But most of them function in the same way. You can disable your antivirus program to resolve the issue. After disabling the antivirus, check if your problem of Skyrim not functioning is resolved.

If the problem continues, you can follow the next method.

Replacement of Defective Mode:

There are a variety of skse64 mods out there. Not all of them work properly, they have serious bugs that can block Skyrim from launching. So, you need to rely on one which is reliable and free from bugs or any serious issue. To check whether your skse64  does not contain  any fault, you can disable the mod or delete it. In case you find them faulty, immediately replace it with the latest version from a reliable source.

How can you disable problematic mods on Skyrim?

Follow the steps below to disable troubling mods on Skyrim.

Step 1: Go to Folder \Steam\SteamApps\common\Skyrim Special Edition\Mods > delete all files from this folder.

Step 2: Then go to Folder C:\Program Files (x86\Steam\SteamApps\common\Skyrim Special Edition\Data\

Step 3: Remove all files related to mods.

Step 4: Do not delete these files (Default Skyrim data).

  • Video (folder)
  • esm
  • esm
  • Skyrim – Animations.bsa
  • Skyrim – Meshes0.bsa
  • Skyrim – Meshes1.bsa
  • Skyrim – Misc.bsa
  • Skyrim – Patch.bsa
  • Skyrim – Shaders.bsa
  • Skyrim – Sounds.bsa
  • Skyrim – Textures0.bsa
  • Skyrim – Textures1.bsa
  • Skyrim – Textures2.bsa
  • Skyrim – Textures3.bsa
  • Skyrim – Textures4.bsa
  • Skyrim – Textures5bsa
  • Skyrim – Textures6sa
  • Skyrim – Textures7bsa
  • Skyrim – Textures8bsa
  • Skyrim – Voices_en0.bsa
  • esm
  • esm
  • Shadercache (folder)
  • Skyrim – Interface.bsa
  • esm

How can you disable mods from The Elder Scrolls V: Skyrim Special Edition?

A huge number of users rely on Elder Scrolls V: Skyrim Special Edition. Users can conveniently disable mods from this version by using the following method.

Step 1: Run The Elder Scrolls V: Skyrim Special Edition, next, you need to select mods from the main menu

Step 2: Select mods you want to delete or disable from the library then Choose Delete or Disable.

Step 3: Restart the game to check if the issue is fixed or not.

Rollback to the previous version

If you are facing the experience because of updating the game on the latest version. Generally, ske64 can receive an update from developers but if it has not then you can roll back the version of the game.


  1. Go to this
  2. Type “Skyrim” in the search box on the top and press “Enter”.
  3. Note down the “APPID” number shown before the “The Elder Scrolls V: Skyrim” listing.
  4. Click on the number and a new page will appear, inside that click on “Depot”.
  5. Another page will open with some ID. Here note down the ID number of Skyrim Special Edition exe.
  6. Click on that ID number, again it will open a new webpage.
  7. Now click on the Manifests from the bottom of the webpage.
  8. Here note down the ManifestID from the immediately older version that is older than the latest version. For example, the latest version is from June 8, 2016, and the immediate older version is from June 6, 2016. You are supposed to note down the ID from the June 6, 2016 version.
  9. Right Click on the Skyrim icon, then click on
  10. Click on the Shortcut tab.
  11. Click on the target box and write “-console” after previous texts, finish the text without space, next click on, apply, and finally press OK.
  12. Now launch steam application, then click on Console
  13. Type “download-depot (App Id number) (Depot Id number) (manifest id number)” replace according to a previously noted number then press enter
  14. Folder location of old version mod will be shown in this window
  15. Go to that folder after finishing download and locate executable download
  16. Go to that folder after finishing download and locate executable download
  17. Now your mod version rolls back to the previous version.

If you have tried all of the solutions appropriately, then your problem will be resolved easily. So, you need to follow each step carefully.

Apart from that, if you have any questions or queries regarding Skyrim, you can ask in the comment section. Do not forget to give us your honest feedback.


The most probable reason behind error ske64 is the application update and mod update or Window Firewall Block. You can resolve the problem by following the methods mentioned above. Apart from that, you can also roll back to the older version if you cannot update the version mods manually.

Frequently Asked Question:

Could SKSE work with Skyrim’s special edition?

Answer: No, SKSE is for 32 bit, and Skyrim Special Edition is for 64 bit. So, SKSE cannot function with Skyrim’s special edition.

What SKSE 64?

Answer: SKSE means The Skyrim Script Extender, it’s a tool used for playing mods on Skyrim special edition. With the help of this tool, you can write scripts more effectively, and more features will be enabled. It’s for 64 bit.

Is Skyrim special edition better than the original?

Answer: Yes, you can play more stable games with special editions. It also enhances graphics with enhanced game quality. The main feature of Skyrim’s special edition is you can play lots of mod games with this by using SKSE 64.

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