If you are running an older GPU (e.g., NVIDIA GeForce 200 series or older), it may physically lack the hardware to run Shader Model 4.0 games, meaning no file download will fix the issue. Halo MCC Global shader cache is missing - Microsoft Q&A
: If you are using Steam, Epic Games Launcher, or GOG, use the "Verify Integrity" tool. This will identify missing or broken files and download the correct, official versions for your specific system. global shader cachepcd3dsm4bin file best download