# \[Major\] UEFN Won't Launch after newest patch still- Stuck on "90% Logging In" running for over 10 hours

**URL:** <https://forums.unrealengine.com/t/major-uefn-wont-launch-after-newest-patch-still-stuck-on-90-logging-in-running-for-over-10-hours/2547104>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, closed, fortnite\
**Created:** [June 8, 2025, 5:33pm UTC](https://forums.unrealengine.com/t/major-uefn-wont-launch-after-newest-patch-still-stuck-on-90-logging-in-running-for-over-10-hours/2547104 "2025-06-08T17:33:24Z")\
**Posts on this page:** 1\
**Showing post:** 3

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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 8, 2025, 9:16pm UTC](https://forums.unrealengine.com/t/major-uefn-wont-launch-after-newest-patch-still-stuck-on-90-logging-in-running-for-over-10-hours/2547104/3 "2025-06-08T21:16:42Z")

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hi @Atom_XC ,  
Right-click the Epic Games Launcher (EPGL) and select Properties -\>General -\>Advanced  
Epic Games Launcher (EPGL) must be started in “Run As Administrator” see picture below

 ![EpicLauncherAdministrator](https://d3kjluh73b9h9o.cloudfront.net/original/4X/0/c/2/0c286fbda143239b51f080f2c6d5372a3983ed9b.png)  
Open EPGL using updated shortcut  
Allow the Download of 8th June 2025 19:36 UTC 3.7GB to take place  
Then Verify  
[How to verify](https://forums.unrealengine.com/t/urc-exe-and-urc-dll-get-flagged-as-malware-from-microsoft-defender/1802519/5)

Restart PC

Restart EPGL using the updated shortcut. with “Run As Administrator”  
Launch UEFN

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_[View the full topic](https://forums.unrealengine.com/t/major-uefn-wont-launch-after-newest-patch-still-stuck-on-90-logging-in-running-for-over-10-hours/2547104)._