# \[ RESOLVED ! ! ! ! \] ( SEE NOTES FOR FURTHER DETAILS ) UEFN / FORTNITE : UNABLE TO LOGIN / CRASH ERROR

**URL:** <https://forums.unrealengine.com/t/resolved-see-notes-for-further-details-uefn-fortnite-unable-to-login-crash-error/2735110>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine, fortnite-creative, unreal-editor-for-fortnite, crash, bug-report, editor, fortnite\
**Created:** [July 12, 2026, 3:56am UTC](https://forums.unrealengine.com/t/resolved-see-notes-for-further-details-uefn-fortnite-unable-to-login-crash-error/2735110 "2026-07-12T03:56:52Z")\
**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:** [July 12, 2026, 5:39pm UTC](https://forums.unrealengine.com/t/resolved-see-notes-for-further-details-uefn-fortnite-unable-to-login-crash-error/2735110/2 "2026-07-12T17:39:41Z")

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hi @GETOUTMEFORT1

Please start the Epic Games Launcher using Right Click “Run as Administrator”

[UEFN will not install correctly from Launcher on any Windows 11 (eleven) version needs to run Elevated “Run As Administrator”](https://forums.unrealengine.com/t/uefn-will-not-install-correctly-from-launcher-on-any-windows-11-eleven-version-needs-to-run-elevated-run-as-administrator/1787921)

The other known problem is lack of Virtual Memory

[How to manually add a Virtual Memory 64GB Pagefile.sys](https://forums.unrealengine.com/t/cant-create-c-project-or-use-c/238169/2)

Some times creating a new account to see if that is the problem and “Run As Administrator” when starting Epic Games Launcher or change the short cut properties to

“Run As Administrator” and then launch Fortnite or UEFN

Verify your installation with

[How do I verify game files in the Epic Games Launcher? - Epic Games Store Support](https://www.epicgames.com/help/epic-games-store-c-202300000001639/launcher-support-c-202300000001735/how-do-i-verify-game-files-in-the-epic-games-launcher-a202300000017217)

[How to verify your UEFN and Fortnite](https://forums.unrealengine.com/t/urc-exe-and-urc-dll-get-flagged-as-malware-from-microsoft-defender/1802519/5)

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