CheckFNIS FNIS Checker Checks if FNIS behaviours need to be updated whenever you start the game. This is only relevant for Skyrim and if FNIS is installed.<br> Run FNIS before %1? FNIS source data has been changed. You should run GenerateFNIS.exe now. Failed to start %1 Start %1? FNIS reported a %1, do you want to run the application anyway? warning critical error Failed to determine FNIS exit code, do you want to run the application anyway? FNIS reported a %1. Do you want to assume it worked?