If you are using a "Region Free" ISO on a modified Xbox 360:
Once installed, the base game requires updates to run correctly on modern GPUs. Quake 4 [Region Free][ISO]
: Right-click setup.exe in your desktop folder and select Run as Administrator . If you are using a "Region Free" ISO
: Right-click your "Region Free" ISO file and select Mount . Bypass DRM Crashes : Do not run setup.exe directly from the virtual drive. Quake 4 [Region Free][ISO]
: A massive fan-made expansion set after the main campaign with high-quality voice acting and new gameplay mechanics.
: Use this community tool from the PCGamingWiki to easily fix widescreen HUD stretching and unlock the 62 FPS cap. 3. Console Setup (Xbox 360 RGH/JTAG)