Open DualCore.ini in a text editor and look for a delay timer setting. Increase the initiation delay from 0 to 100 or 200 milliseconds to give the repack crack time to load before the DLL injects.
Keep Extreme Injector running in the background. Launch Far Cry 4 normally via your desktop shortcut or directly through FarCry4.exe . i far cry 4 dual core fix extreme injector windows 10 repack