UEFN not launching.

General Issues and Bug Reporting
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1

Summary

Hi!

When i try to launch UEFN it crashes once im done loading. I’ve this problem for quite a while now and appriciate if someone could help me fix it. My specs are Intel I7 and RTX 4070. This is error it gives me.

error -

GPU Crash dump Triggered

UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
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UnrealEditorFortnite_Win64_Shipping
kernel32
ntdll

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

I updated my drivers. Tried to run as administrator. Verify Files, Forcing to run as DX11.

Expected Result

Launching UEFN

Observed Result

.

Platform(s)

Laptop

2

(post deleted by author)

3

Greetings @FreshBeezy

Do you get this error (The GPU dump) when gaming or running any other applications? (Also, I’d try going into your NVidia Control Panel and reset your settings back to global default and then test again. Also make sure you remember when settings you have changed so that you can change them back after if needed)

4

(post deleted by author)

5

hi @FreshBeezy ,
New UEFN update

The issue causing some UEFN projects to crash on opening was fixed with an update we released this morning. You can switch back to DirectX 12 by deleting the Command Line Argument and sliding the button to off.

from
Fortnite Ecosystem v32.00 with Known Issues - General / Announcements - Epic Developer Community Forums

1 Like