How to Fix The First Descendant 0xE3010502 Error

The First Descendant is doing incredible numbers on Steam, and it’s one of the biggest launches of 2024, with a peak concurrent player count of around 270K. Despite the huge launch, the game is riddled with technical issues, uneven performance, and bugs that Nexon continues to address in patches and server-side updates. If you’re running into The First Descendant 0xE3010502 error, though, here is how you can fix that.

Fixing The First Descendant 0xE3010502 Error

To fix The First Descendant 0xE3010502 error, you need to uninstall the NGService file from the main installation folder and reinstall it. Apart from that, you also need to verify the game files on Steam.

The developers are aware of this issue, and the specific error code requires reinstallation of the NGService. Here is how you can do that.

Reinstall NGService

• Open Steam, and right-click on The First Descendant
• Select Manage, followed by Browse local files

• Navigate to the following location

The First Descendant\M1\Binaries\Win64\BlackCipher

• In the BlackCipher folder, open the NGService_Uninstall.bat file to remove the NGService.
• After that’s done, open the NGService_Install.bat to reinstall the service.

After you’re done, you need to verify the game files as well.

Verify Game Files on Steam

To ensure your game files are in order, you need to let Steam scan through the files and download anything broken or missing.

• Open Steam, and navigate to your library
• Here, right-click on The First Descendant and select Properties
• In the Installed Files tab, click on Verify integrity of game file

After you have reinstalled the NGService, and verified the game files, The First Descendant should work normally without the 0xE3010502 error. For an added measure, you can also add the BlackCipher to your anti-virus software’s exceptions or exclusions list.

If you’re playing the PC version and are running into the DirectX 12 error, we have you covered. If you can’t decide which descendant to go with, here are 5 strongest ones to choose from. For more on The First Descendant, make sure to check out our dedicated section.