The msvcr120_app.dll file is a version of the Microsoft C Runtime Library, specifically designed for use with Microsoft's Universal Windows Platform (UWP) apps. This DLL is part of the Visual C++ Redistributable Packages for Visual Studio 2013 and provides the runtime components that are required to run C++ applications built with Visual Studio 2013.
In a nutshell, this library contains standard C++ library functions and runtime components that are required for executing programs written in C++. These can include functions for operations like file I/O, string manipulation, data conversion, and more.
What if you get an error?
Errors related to msvcr120_app.dll can occur for several reasons:
Missing File: If the DLL is missing, you might encounter errors like "msvcr120_app.dll not found" or "msvcr120_app.dll is missing." Applications that rely on this DLL may not run properly or may not launch at all.
Corrupted File: If the file becomes corrupted, you may receive error messages stating that the file is corrupt or unreadable.
Incompatibility: If you have an incompatible version of the DLL, this can also cause errors. Sometimes, different programs may require different versions of the same DLL, leading to conflicts.
Security Software: Overzealous security software might quarantine this file, causing applications to break.
How to Fix
Here are some methods you can use to fix errors related to msvcr120_app.dll:
Reinstall the Program: The simplest approach is to reinstall the affected application, as this will often also install any required runtime libraries.
Install or Repair Redistributables: You can download the Visual C++ Redistributable Packages for Visual Studio 2013 from Microsoft's website. During installation, you usually have an option to repair the package, which may fix the issue.
Manual Copy: In some cases, manually placing the msvcr120_app.dll file into the application's directory or the system directory may solve the problem. However, this method is generally not recommended unless you know what you're doing.