# UEFN crashes after the update

**URL:** <https://forums.unrealengine.com/t/uefn-crashes-after-the-update/2547353>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine, unreal-editor-for-fortnite, fortnite\
**Created:** [June 8, 2025, 9:14pm UTC](https://forums.unrealengine.com/t/uefn-crashes-after-the-update/2547353 "2025-06-08T21:14:34Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**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:** [June 13, 2025, 10:03am UTC](https://forums.unrealengine.com/t/uefn-crashes-after-the-update/2547353/7 "2025-06-13T10:03:33Z")

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hi all,  
The developer in another pos found the answer. Clean Boot your PC  
[[Major] UEFN Won’t Launch after newest patch still- Stuck on “90% Logging In” running for over 10 hours - General / Issues and Bug Reporting - Epic Developer Community Forums](https://forums.unrealengine.com/t/major-uefn-wont-launch-after-newest-patch-still-stuck-on-90-logging-in-running-for-over-10-hours/2547104/7)

[How to perform a clean boot in Windows - Microsoft Support](https://support.microsoft.com/en-us/topic/how-to-perform-a-clean-boot-in-windows-da2f9573-6eec-00ad-2f8a-a97a1807f3dd)

Something was blocking UEFN

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_[View the full topic](https://forums.unrealengine.com/t/uefn-crashes-after-the-update/2547353)._