Crashing After Starting Single Player/Online
(on Windows 8/8.1 you will need to select "show more details" to access this option).
GTA 5 THE WRAP UP INSTALL
If textures are missing or loading slowly while driving, and doing a fresh install of your video drivers does not fix this problem, pull up your process manager while you're running the game and locate GTAV.EXE. Right-click and set the priority to high. This may also help if you are experiencing MSAA artifacting during play.
GTA 5 THE WRAP UP UPDATE
If this doesn't work, try deleting the drivers and redownloading and installing the latest driver fresh rather than trying to update again. If you are experience persistent video lagging and performance issues (like horizontal lines over the character models) which you don't think are because your system is unable to run GTA 5 properly, double-check that you have updated your drivers.
GTA 5 THE WRAP UP HOW TO
How to Fix Video Lag Issues/Character Model lines When you find the broken one, delete it and start the game it will download everything you need for you.