ThatOneCreature

I do have an answer for you, a little late but it can also help other players too. So, what you want to do it simple, create two desktop shortcuts, one for RageHook and one for your GTA launcher. After that simply run GTA with that shortcut and then immediately run RAge Hook as well(as so they'll both open at the same time) That should work as it'll allow Rage hook to find the correct GTA launcher it needs to work.