You have installed ENB right?
So this instruction will help.(From Charlie686, profile: https://www.lcpdfr.com/profile/457341-charlie686/)
This infereres with how RAGE hooks to GTAV and as such, please follow these 3 steps when launching:
1. Go into Story mode without RAGE
2. Once you can see your character, ALT + TAB out and open RAGE letting it hook.
3. Enjoy