Security packages like Microsoft Defender frequently flag custom API components as false positives, isolating them. Check your security logs and mark the installation folder as an exclusion.
The steam_emu.ini file is a configuration document used by various Steam emulators—most notably the crack and SmartSteamEmu —to bypass Steam's client requirements. It acts as a set of instructions for the emulator, telling the game how to behave without an active official Steam client connection. Understanding the Role of steam_emu.ini
It allows games to function on systems without an internet connection.