Essential GTA 5 Mods
New users with general game issues, please check to see if the following files are in your game folder. Some of these mod files are essential to play, others are highly recommended for stability and to expand your game world.
Most of these are essential or highly recommended. This view is from the game installation folder, often called the root folder for modding purposes, and it is where you will find GTA5.EXE.
For more information read this article on Essential Mods for GTA 5.