Let it run, forget about it, and get back to creating (or playing) amazing things with Unreal Engine 4.
Core libraries required for certain engine-level tools and launchers. Unreal Engine Safety and Security Is it safe? Yes, if the file originates from a trusted source like Epic Games , or a reputable game developer. Malware Concerns:
"Prerequisites" are background components your operating system needs before a major program (like UE4) can run correctly. Think of it as laying the foundation before building a house.