Starting with macOS Ventura, Apple dropped support for the last Mac without AVX2 (the 2013 "Trash Can" Mac Pro). Consequently, the operating system no longer includes the legacy . However, because Apple Silicon Macs still need to support Rosetta 2 (which uses a pre-AVX2 cache), a compatible version of the system files still exists within Apple's ecosystem. CryptexFixup.kext performs two critical tasks:
You can always find the latest stable and debug versions of the kext on the official . What is CryptexFixup.kext? cryptex fixup.kext download
: Place CryptexFixup.kext into your EFI/OC/Kexts folder. Starting with macOS Ventura, Apple dropped support for
: Ensure Misc -> Security -> SecureBootModel is set to Disabled (or Default in some specific configurations) to allow the non-native cryptex to load. CryptexFixup
: Add the kext entry to your OpenCore config.plist under Kernel -> Add .