# \[v40.00\] Cannot launch session - MODULE\_NOT\_FOUND on Epic content-service

**URL:** <https://forums.unrealengine.com/t/v40-00-cannot-launch-session-module-not-found-on-epic-content-service/2709117>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, bug-report, fortnite\
**Created:** [March 26, 2026, 12:41pm UTC](https://forums.unrealengine.com/t/v40-00-cannot-launch-session-module-not-found-on-epic-content-service/2709117 "2026-03-26T12:41:40Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**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:** [March 26, 2026, 11:56pm UTC](https://forums.unrealengine.com/t/v40-00-cannot-launch-session-module-not-found-on-epic-content-service/2709117/2 "2026-03-26T23:56:36Z")

</div>

hi @need_moneyy

Please can you try verify your installation as in past this has been the problem

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

---

_[View the full topic](https://forums.unrealengine.com/t/v40-00-cannot-launch-session-module-not-found-on-epic-content-service/2709117)._