# UEFN Keeps crashing whenever i open a project

**URL:** <https://forums.unrealengine.com/t/uefn-keeps-crashing-whenever-i-open-a-project/2492603>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine\
**Created:** [May 6, 2025, 4:16am UTC](https://forums.unrealengine.com/t/uefn-keeps-crashing-whenever-i-open-a-project/2492603 "2025-05-06T04:16:02Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [May 6, 2025, 10:57am UTC](https://forums.unrealengine.com/t/uefn-keeps-crashing-whenever-i-open-a-project/2492603/2 "2025-05-06T10:57:33Z")

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hi @BXUA  
The first thing you need to do is verify that your UEFN installation has not been corrupted after the upgrade.  
[How to Verify your UEFN](https://forums.unrealengine.com/t/urc-exe-and-urc-dll-get-flagged-as-malware-from-microsoft-defender/1802519/5)

If that does not work go further back in the post about adding UEFN executable to the Windowd defender Exception list and verify again

Then add a big pagefile as in [Install a manual larger pagefile](https://forums.unrealengine.com/t/cant-create-c-project-or-use-c/238169/2)

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