If you are reading this, you are likely encountering a frustrating error message: "Grand Theft Auto IV has stopped working," "SecuLauncher: failed to start application," or simply "GTAIV.exe is missing." The knee-jerk reaction is to open Google and search for a quick solution:
If you already own the game and your GTAIV.exe is missing or causing errors, do download it separately. Instead, use the built-in repair tools in your launcher to automatically download the correct, official file: How to verify game files in the Rockstar Games Launcher Grand Theft Auto Iv Exe File Download
If you bought GTA IV on Steam:
allows you to buy and download the game directly through their proprietary launcher. Retail/Disc Owners If you are reading this, you are likely