Epic Developer Community Forums
Home Categories Guidelines Terms of Service Privacy Policy Powered by Discourse, best viewed with JavaScript enabled
Epic Broke Unreal Engine 4 - Failed To Launch Editor On Nearly All UE4 ...
Nov 8, 2025 · Thanks to some recent issues to what I can only presume to derive from the launcher update this past week, Unreal Engine 4 launcher versions now no longer function properly with the …
An Unreal process has crashed: UE4-EpicGamesLauncher
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 …
A new, community-hosted Unreal Engine Wiki
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 …
Unable to Install UE4 due to PrereqSetup - Getting Started & Setup ...
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 …
How to change Current Language at runtime? - Epic Developer …
Jan 25, 2025 · Hi there, I’m trying to change Current Language at runtime. It works in Editor (Standalone Game). However, Current Language won’t change in packaged application. Localization to Package …
Web UI (HTML/CSS/JS Interface Widgets) - UE Marketplace - Epic ...
Apr 17, 2019 · As far as I understand, WebUI is using the internal Chromium Embedded Framework in UE4, which should have a debugger tool that can be opened on localhost: port. Is it possible with …
All Unreal Engine' game crash at startup : Fatal Error
Aug 4, 2021 · Since 3 days, I’m searching to resolve crash issues on all UE4 games, for exemple Mordhau or Valorant. When I launch a game it instantly shutdown and I get the “Fatal Error” message.
UE4 Prerequisites (x64) setup failed - 0x80070643 - Programming ...
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 …
What gets installed with UE4PrereqSetup_x64.exe?
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 …