# Why does UE 5.0 work but UE 5.4 crash on startup? **URL:** \ **Category:** Getting Started & Setup\ **Tags:** unreal-engine, question\ **Created:** [August 17, 2024, 1:12am UTC](https://forums.unrealengine.com/t/why-does-ue-5-0-work-but-ue-5-4-crash-on-startup/1979555 "2024-08-17T01:12:26Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![L1z4rD89](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/l1z4rd89/32/1194537_2.png) [@L1z4rD89](https://forums.unrealengine.com/u/L1z4rD89)\ **Post date:** [August 18, 2024, 9:20am UTC](https://forums.unrealengine.com/t/why-does-ue-5-0-work-but-ue-5-4-crash-on-startup/1979555/8 "2024-08-18T09:20:13Z")
Hey @NanoPixel does this happen - When you try to start the engine itself (UnrealProjectLauncher where you can select project presets etc.) - When you try to open an old project from another UE version? - When you try to open a blank project? Did you read similar threads? > [@Unreal engine 5.4 crash on start up or even open any project](https://forums.unrealengine.com/t/unreal-engine-5-4-crash-on-start-up-or-even-open-any-project/1833088): > > Hello Unreal Engine Community, I’ve recently installed Unreal Engine 5.4 and have yet to successfully see the editor interface. Every attempt to create a new project or open an existing project from version 5.1.1 results in a crash during shader compilation. Moreover, I experience a blue screen about once in every ten attempts. In contrast, Unreal Engine 5.1.1 works flawlessly, allowing me to create and operate new projects without any issues. Here are the troubleshooting steps I have already… [https://www.reddit.com/r/overclocking/comments/1axepvu/optimizing\_stability\_for\_intel\_13900k\_and\_14900k/](https://www.reddit.com/r/overclocking/comments/1axepvu/optimizing_stability_for_intel_13900k_and_14900k/) Do you have problems in other programs/games? --- _[View the full topic](https://forums.unrealengine.com/t/why-does-ue-5-0-work-but-ue-5-4-crash-on-startup/1979555)._