The `vcruntime140_app.dll` file is a component of the Microsoft Visual C++ Redistributable for Visual Studio. This particular DLL is part of the Microsoft C Runtime Library and is crucial for running applications developed with Microsoft Visual Studio, specifically those that are built using C++. The "vcruntime" in the file name signifies that it belongs to the Visual C++ runtime library, and "140" indicates its association with Visual Studio 2015, as Microsoft uses this numbering convention to denote different versions of Visual Studio.
This version of the DLL, indicated by the "_app" suffix, is often related to applications developed for the Universal Windows Platform (UWP). UWP is a platform introduced by Microsoft for building applications that can run across multiple device families including PCs, tablets, smartphones, and more, all under a common architecture. The `vcruntime140_app.dll` provides the necessary runtime components that these UWP applications need to execute, especially those functionalities that are derived from the C++ standard library.
When a UWP application built with Visual Studio 2015 is deployed, it relies on `vcruntime140_app.dll` for various runtime services, such as mathematical computations, data processing, and memory management, among others. If this DLL is missing or corrupted on a system, it could prevent the application from running correctly, leading to errors. These issues are typically resolved by installing or repairing the Visual C++ Redistributable for Visual Studio 2015, ensuring that the `vcruntime140_app.dll` and other essential components are correctly installed on the system. This ensures a smooth execution environment for UWP applications reliant on this specific version of the Visual C++ runtime.
