Summary
Recurring crash in UEFN even after full system format and reinstallation
Hello, support team.
I’m experiencing constant and random crashes while using the Unreal Editor for Fortnite (UEFN), and I’ve already performed all the suggested procedures so far, without success.
Procedures performed:
Clean system startup
Full Windows format
Clean installation with only the Epic Games Launcher and UEFN
Creation of brand new projects from scratch
Complete reinstallation of UEFN
Verification and repair via Epic Launcher
Update of all drivers (graphics card, chipset, etc.)
Optimization of GPU performance settings
Tests with and without overclocking
Tests with memory diagnostic tools
Even with all that, the crashes continue to occur without any clear pattern: sometimes after 10 minutes, sometimes after an hour, and in many cases, UEFN crashes repeatedly (10 times in a row) before I can even open a project.
My PC specs:
Motherboard: ASUS Z790 Plus
Processor: Intel Core i9 13900K
RAM: 64 GB DDR5
Graphics Card: NVIDIA RTX 4070 Ti
Power Supply: 1200W
I would really appreciate a deeper analysis from your team, as I urgently need stability to keep working with the editor.
Thank you in advance for your attention.
Sincerely,
Ricardo Murilo – NINJAH
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Other
Steps to Reproduce
There is no specific sequence or identifiable cause for the crashes.
The editor simply crashes — sometimes within 1 minute, sometimes after 10 minutes, or even after an hour.
It happens regardless of what I’m working on or doing inside the editor.
Expected Result
EXCEPTION_ACCESS_VIOLATION
The EXCEPTION_ACCESS_VIOLATION error occurs when UEFN tries to access an invalid or protected area of memory — usually due to a null reference or a corrupted pointer.
In my case, the crash happens at random times, even with a clean system and a freshly created project. The error pattern suggests a possible internal issue within the editor itself (such as an illegal memory access by a thread or internal UEFN function).
Observed Result
There is no specific sequence or identifiable cause for the crashes.
The editor simply crashes — sometimes within 1 minute, sometimes after 10 minutes, or even after an hour.
It happens regardless of what I’m working on or doing inside the editor.
Platform(s)
pc
Island Code
0000-0000-0000