Original copies of the game had a layer-break on the disc that sometimes causes emulators to hang. Ensure your PKG is built from a clean, verified ISO or utilizes a community compatibility config patch to bypass freeze points during loading screens. Graphics Configuration Text (Lua Patches)
Navigate to > GoldHEN (or Debug Settings) > Package Installer . Select the Gran Turismo 4 PKG from the list. gran turismo 4 ps4 pkg top