I have fix my issue and my game is running smoothly one again, I deleted my whole game files and then tried to run gta v making it update it self and now my game works perfectly fine.

Thankyou for all the help

Admin you can lock this topic Thanks

I've download a custom game config and i have no custom mods installed and when i load it the game crashes.
https://www.gta5-mods.com/misc/gta-5-gameconfig-300-cars. This the game config that i have downloaded.

Can anyone help me please i wanna play gta v with mods