Try deleting the pc_settings.bin file. This file holds your graphics settings and can become corrupted. The game will create a new, clean version when you restart it. You can find it here: Documents\Rockstar Games\GTA V\Profiles\[Your Profile Folder]\ .
If your hardware is very old, use these community-made "performance boosters": gta 5 highly compressed 500mb for pc fix
If you have the real game but it is lagging or crashing on your PC, follow these steps to optimize it: 1. The "Low-End PC" Graphics Fix Try deleting the pc_settings
If you only want to play the single-player story mode, you can use third-party modding tools or command-line arguments to prevent the game from loading heavy GTA Online assets, though the base files must still be present on your drive. Use Windows CompactOS Features Use Windows CompactOS Features There is no functional
There is no functional fix for this. The game engine cannot run without its core assets. You cannot patch or "fix" a game that is missing 95% of its code. How to Safely Optimize and Reduce GTA 5 Storage
To help you get the game running safely, could you tell me a bit more about your situation? What are you seeing on your screen?
Give you a step-by-step guide on how to to avoid errors