when i try to play a game unreal engine opens and installs UE4 Prerequisites (64x) Setup and when i try to install it it says SETUP FAILED Error 0x80070666: Cannot install a product when a newer version is installed. Help. i uninstalled every single version of redustriable c++
What game are you trying to play? If it is a game created by Epic Games, you can find links to their specific support pages here. If it is a game created by another developer, you will need to contact that developer for assistance. This site is only for providing support for issues related to using Unreal Engine 4.