The First Descendantis 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
Tofix The First Descendant 0xE3010502 error, you need touninstall the NGServicefile from the main installation folder andreinstall it. Apart from that, you also need toverify the game filesonSteam.
The developers are aware of this issue, and the specific error code requires reinstallation of theNGService. Here is how you can do that.

Reinstall NGService
The First Descendant\M1\Binaries\Win64\BlackCipher
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.
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’re able to also add theBlackCipherto your anti-virus software’s exceptions or exclusions list.

If you’re playing the PC version and are running into theDirectX 12 error, we have you covered. If you can’t decide which descendant to go with, here are5 strongest onesto choose from. For more on The First Descendant, make sure tocheck out our dedicated section.
Ali Hashmi
Ali has been writing about video games for the past six years and is always on the lookout for the next indie game to obsess over and recommend to everyone in sight. When he isn’t spending an unhealthy amount of time in Slay the Spire, he’s probably trying out yet another retro-shooter or playing Dark Souls for the 50th time.
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