# Unreal Engine 5.4 Preview

**URL:** <https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516>\
**Category:** Announcements\
**Tags:** unreal-engine, Release\
**Created:** [March 20, 2024, 5:01pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 "2024-03-20T17:01:09Z")\
**Posts on this page:** 1\
**Showing post:** 94

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**Author:** ![Juande](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/juande/32/900333_2.png) [@Juande](https://forums.unrealengine.com/u/Juande)\
**Post date:** [March 25, 2024, 7:59pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516/94 "2024-03-25T19:59:12Z")

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Since a few hours, some of us are having a “System Error” with code “EU-FA-31003” when installing Unreal Engine 5.4.0 Preview from the “Epic Games Launcher”.

Post with all the information about the problem:

> [@Unreal Engine 5.4 preview intallation error](https://forums.unrealengine.com/t/unreal-engine-5-4-preview-intallation-error/1771839):
>
> Hello! I wanted to install 5.4 preview but got a strange error: “EU-FA-31003”. I have not found anything about this error code. Any suggestions?

EDIT: The problem seems to be fixed on the Epic side. The installation runs without any problem now.

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