XInput12dll

XInput12dll is a Dynamic Link Library (DLL) file associated with Microsoft's DirectX software collection. Specifically, it is part of the XInput API, which is designed to handle input from game controllers on Windows operating systems. The XInput API allows developers to integrate controller functionality into their games, supporting features like analog sticks, triggers, vibration feedback, and button mapping.

The file xinput12.dll is typically located in the system directories of a Windows installation, such as the System32 folder. When a game or application requires controller input through the XInput API, it calls functions within this DLL to communicate with the connected gamepad. The "12" in the filename often refers to a specific version or iteration of the XInput library.

Issues with xinput12.dll can arise if the file is missing, corrupted, or outdated. This can lead to games or applications failing to recognize controllers or exhibiting errors related to input handling. Such problems are often resolved by ensuring that DirectX is up to date, as the XInput DLL is a component of DirectX. Reinstalling or repairing DirectX can also address these issues. Antivirus software may sometimes flag DLL files, but xinput12.dll is a legitimate system file and generally not a security threat when obtained from official Microsoft sources.