# Uefn crashes **URL:** \ **Category:** Issues and Bug Reporting\ **Tags:** fortnite-creative, unreal-editor-for-fortnite, crash, editor, question, fortnite\ **Created:** [February 1, 2026, 4:00am UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330 "2026-02-01T04:00:18Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![mhyxhu](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@mhyxhu](https://forums.unrealengine.com/u/mhyxhu)\ **Post date:** [February 1, 2026, 4:00am UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330/1 "2026-02-01T04:00:18Z")
### Summary Uefn crashes constantly from pressing launch to opening projects ### Please select what you are reporting on: Unreal Editor for Fortnite ### What Type of Bug are you experiencing? Stability ### Steps to Reproduce Open uefn… without crashing. Open a project for more then 10 seconds to 30 mins wirhout crashing with crash report error . ### Expected Result Uefn to load my projects and stay running ### Observed Result Crash error report 100 %of the time ### Platform(s) Pc ### Upload an image ![20260131_040445.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/a/9/9/a9950215a8ca6741de70350d549a23158da4a2e5.jpeg) ![6d2c6cfb-2e0a-487d-9b22-3c036aacaf51.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/f/d/9/fd92001520d510c2173cefa362194fcd53e79bcd.jpeg) ![20260126_233225.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/c/c/0/cc0a6ff53e77261620b91d45e2e68e64583d1144.jpeg) ![20260127_213150.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/6/7/d/67d5bc360982d09d962576d69dbc758be6a581ea.jpeg) ![20260125_231106.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/7/e/6/7e6040e550dbdff546b5c24ea15c00e9365fbecf.jpeg) ![89f7eed2-7bfa-46ea-be8a-f4fbe773a9ad.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/4/2/0/42048590ca170e83f3af0ba125d9029c24a608e3.jpeg) ### Additional Notes High end pc 40 70 super graphics card only have issues with uefn ---
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [February 1, 2026, 6:33pm UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330/2 "2026-02-01T18:33:52Z")
hi @mhyxhu Please Install patch for DX11 as per Epic Support [How do I force Fortnite to use DirectX 11?](https://www.epicgames.com/help/en-US/fortnite-battle-royale-c-202300000001636/technical-support-c-202300000001719/how-do-i-force-fortnite-to-use-directx-11-a202300000014572) and afterwards verify the installation [How to verify UEFN and Fortnite](https://forums.unrealengine.com/t/urc-exe-and-urc-dll-get-flagged-as-malware-from-microsoft-defender/1802519/5) ---
**Author:** ![mhyxhu](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@mhyxhu](https://forums.unrealengine.com/u/mhyxhu)\ **Post date:** [February 6, 2026, 4:10am UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330/3 "2026-02-06T04:10:22Z")
Did all that still crashes ---
**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\ **Post date:** [February 6, 2026, 8:40pm UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330/4 "2026-02-06T20:40:44Z")
@mhyxhu Try adding a big page file to add Virtual Memory 64GB 64000 [How to add big page file 64000 extra Virtual Memory](https://forums.unrealengine.com/t/cant-create-c-project-or-use-c/238169/2) ---
**Author:** ![system](https://d3kjluh73b9h9o.cloudfront.net/original/4X/7/1/3/713c9d3f58553f0de89543d76a8a3a2779dc9fa4.png) [@system](https://forums.unrealengine.com/u/system)\ **Post date:** [July 31, 2026, 4:01am UTC](https://forums.unrealengine.com/t/uefn-crashes/2696330/5 "2026-07-31T04:01:07Z")
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