Original gta_sa.exe — pirate file to start the game, took from my GTA folder. If you downloaded the game and it doesn't start maybe the problem lies in this file, simply move this file to the root folder with your game and for convenience, create a shortcut and place it in any convenient location such as the desktop.
This file is in great demand among the players, it's not easy. If flying out of the game or it does not start, try replacing this file and not have to reinstall the game. In our section of the standard files of gta: sa, a lot to find a lot of original content, I recommend a visit.