The `msvcr120_clr0400.dll` is a dynamic link library (DLL) file associated with Microsoft Visual Studio 2013, and it is part of the Microsoft C Runtime Library. This DLL is specifically designed for applications developed with Visual Studio 2013 that target the .NET Framework, as indicated by the "clr0400" in the filename, which refers to the version of the Common Language Runtime used by the .NET Framework 4.0 and newer.
The "msvcr" prefix stands for Microsoft Visual C Runtime, and the "120" indicates that this DLL is related to Visual Studio 2013. This file contains standard C runtime library functions, which are essential for the execution of C applications, including functions related to file operations, memory management, and string manipulation. It is crucial for running C and C++ applications built with Visual Studio 2013 that rely on the .NET Framework for managed execution environments.
If `msvcr120_clr0400.dll` is missing or corrupted, applications that depend on it may fail to start or work correctly, leading to error messages about the missing DLL. Resolving such issues typically involves reinstalling the Microsoft Visual C++ Redistributable Packages for Visual Studio 2013, which include the `msvcr120_clr0400.dll` among other necessary components. Ensuring that the .NET Framework version required by the application is also installed and up-to-date on the system can help resolve any compatibility issues related to the CLR version.
