Sometimes Windows Defender or third-party antivirus software (like Avast or AVG) deletes the file. Check your "Quarantine" folder and add an exception for the GTA V installation folder.
Here is why downloading a single .exe file from a third-party site is a bad idea:
Sometimes, your current gtavlauncher.exe gets corrupted due to a Windows update or a crash. Here is the best manual-but-safe method:
Your antivirus or Windows Defender quarantined gtavlauncher.exe . Fix:
Searching for "gtavlauncher.exe download" may lead to potentially unwanted or malicious results. GTAVLauncher.exe is a legitimate executable file associated with Grand Theft Auto V (GTA V), but downloading it from third-party sources can pose risks to your computer's security and potentially compromise your gaming experience.