The file `vcruntime140_64.dll` is part of the Microsoft Visual C++ Redistributable for Visual Studio 2015, specifically designed for 64-bit systems. This DLL is a component of the Microsoft C Runtime Library and plays a crucial role in executing C++ applications developed with Visual Studio 2015. The "vcruntime" part of the name denotes its affiliation with the Visual C++ runtime libraries, "140" corresponds to Visual Studio 2015, and the "_64" suffix indicates that this version of the DLL is intended for 64-bit architectures.
This particular DLL contains runtime components that provide the necessary support for the standard C++ library, enabling various functionalities within C++ applications, such as mathematical operations, input/output processing, and handling of exceptions. When developers create C++ applications using Visual Studio 2015, they rely on these standardized components to ensure their applications can run across different machines without requiring the source code or the entire development environment to be present.
If `vcruntime140_64.dll` is missing or damaged on a user's computer, it might result in errors when trying to launch C++ applications that depend on this specific version of the runtime library. The application may fail to start, or certain features within the application might not function as expected. To resolve such issues, the Microsoft Visual C++ 2015 Redistributable package, which includes `vcruntime140_64.dll` and other essential components, needs to be installed or reinstalled. This ensures that all the necessary runtime libraries are available on the system, enabling smooth execution of the applications requiring them.