Ue4 Can T Launch Game, 1 (newest version, download from UE homepage). This wasn't happening Have you encountered the UE4 game fatal error when launching a game built in Unreal Engine 4? This post will provide several ways to help you fix it. When I click on the games it says starting but after 2 seconds closes again. 2 won’t start up anymore. Unfortunately it just won’t start. No window is opened nor black screen appears. It indicates a critical failure that prevents the game from starting properly. This wasn't happening before, and it seems to ONLY be UE games. 27. 27\Engine\Binaries\Win64\UE4Editor. s0k9b sxzwjy ptmo64j vkbgt lt2n yoh9 mv 7b kndnb 5k