Note: For the best performance, both discs are usually converted to GOD (Game on Demand) format or extracted ISOs. How to Fix GTA V default.xex Issues (RGH/JTAG)
You might encounter the default.xex file when using an Original Xbox emulator partition installer. This is an official Microsoft update to add backward compatibility, not a tool for playing GTA V from an external drive. gta v xbox 360 default.xex download
