Microsoft Visual C++ 2013 Redistributable Package X64 Jun 2026

| File | Purpose | |------|---------| | msvcr120.dll | C runtime (printf, malloc, fopen, etc.) | | msvcp120.dll | C++ standard library (std::string, std::vector, iostream) | | msvcr120_clr0400.dll | Mixed-mode C++/CLI support (for .NET interop) | | vcomp120.dll | OpenMP parallelization runtime | | concrt140.dll (actually part of vc140 but included in some packages) – correction: ConcRT is in vcruntime for 2013? Wait, check. |

Event Viewer will show “Activation context generation failed” for Microsoft.VC120.CRT . Fix: Run the official redist installer from Microsoft. Do not just download the DLL. microsoft visual c++ 2013 redistributable package x64

Clarification: For VC++ 2013, concrt140.dll belongs to VC++ 2015+; 2013 uses concrt120.dll . Yes, concrt120.dll handles the Concurrency Runtime. | File | Purpose | |------|---------| | msvcr120

Most users see it as a popup, a prerequisite in a game installer, or a line item in “Add/Remove Programs.” But the is a critical piece of the Windows application ecosystem—especially for software built a decade ago that still runs today. Fix: Run the official redist installer from Microsoft

You usually don't install this on purpose; you install it because an app you downloaded requires it.

Check if a 32-bit app is trying to load the 64-bit DLL (or vice versa). A 32-bit app looks for msvcr120.dll in SysWOW64 , not System32 .

In simple terms, the is a package of standard code (libraries) that many software developers use to create applications for Windows.