In the context of the GTA Definitive Edition (including Vice City), keys.dat or keys.txt is a native game configuration file used by Rockstar Games. Instead, it is a crucial file used by modding community tools, particularly when dealing with encrypted game archives from the Nintendo Switch version, which are then ported to PC.
By focusing on enhancing the gameplay through customizable controls, you can create a more engaging and inclusive experience for GTA: VC players.
: Sets up how the mod interacts with the game's executable ( gta-vc.exe ). How to Use It
# This is a comment 1025, 287, 36, 0, "Forward" # W key moves forward 1025, 288, 37, 0, "Back" # S key moves backward keys.dat gta vc
The error typically appears when you launch the Vice ultimate trainer.exe tool, and it immediately displays a message stating "keys.dat not found" or "not in gta vice folder". This single error is caused by one of two issues:
It's highly likely that you are seeing this error because you are trying to use a specific mod or trainer that relies on this file.
If Vice City forces you to remap your keys every time you launch the game, your keys.dat file may be marked as "Read-Only," or the game lacks administrator permissions to overwrite it. In the context of the GTA Definitive Edition
Decoding keys.dat in GTA Vice City: Configuration, Mapping, and Troubleshooting
Some total conversion mods (like Vice City Stories PC Edition or GTA: Vice City – Extended Features ) modify keys.dat to add new actions (e.g., swimming, crouching, or custom radio keys). If the mod’s installer fails, it might leave a corrupt keys.dat . Symptoms include a working mouse but dead keyboard.
: If you attempt to launch the trainer and receive an error stating "Not in GTA Vice folder, keys.dat not found," the trainer cannot verify its location or access its mapping data. Resolution Ensure you have extracted from the trainer's archive, not just the executable. Manually copy and the trainer into the main installation folder (e.g., C:\Program Files\Rockstar Games\Grand Theft Auto Vice City : Sets up how the mod interacts with
: Stores the text strings for the game, including cheat activation messages. handling.cfg
While you shouldn't edit keys.dat manually, you can optimize your setup by understanding the default mappings:
Unlike configuration files in newer games that use plain text (like .ini or .xml ), keys.dat is encoded in a binary format. This means you cannot simply open it in Notepad to edit your controls manually. Common Issues and How to Fix Them
Players can edit the "keys.dat" file to change the keyboard or controller buttons assigned to various in-game actions. However, editing this file requires a text editor and a basic understanding of the game's control scheme.