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Epic Developer Community Forums is a platform for Unreal Engine creators to discuss, share ideas, and seek support for their projects.

Apr 14, 2020 · Speech Recognition Plugin - Sphinx-UE4 Overriding GameEngine, and UnrealEdEngine classes for game PC Freeze When Building Lightning Problem with constantly updating actor …

Nov 7, 2025 · After the most recent update, trying to open any uproject file associated with UnrealVersionSelector.exe results in ‘Failed to launch editor’. Using Process Monitor I can see that it …

Mar 8, 2020 · I was able to resolve the issue. I downloaded the windows System Cleaner tool from here. After running that with Admin privlages, I looked through the list till I found the …

Feb 10, 2024 · So, I’ve only just come to this recently but whenever I try to open the EpicGamesLauncher, it crashes with the message below. Now I’ve tried everything from updating …

Jun 26, 2015 · Hi, since noone still answer here and i don’t know what exactly inside UE4PrereqSetup_x64.exe, here is simple way how investigate: uninstall tool - this program write log …

Aug 4, 2015 · I’m prototyping a game in Unity 5 and UE4 to see which one fits the game best, and so far I’ve had no luck with getting SSL certs setup with Unity. I see UE4 uses libcurl, so does the …

Jan 27, 2017 · Hello, I am trying to play Astroneer. When I first try to launch, it requires UE4 Prerequisites (x64) setup. However, it said One or more issues caused the setup to fail. Please fix …

Apr 29, 2014 · Please feel free to private message me with your contact details. Great to hear from you Mark Rein! I did PM you Thank you for your life’s work / UE4! UE4 is so much fun!