Even with a straightforward installer, errors occur. Here are the most common fixes.
⚠️ Important Safety Warning:
Do not download the file msvcp120.dll or vc2013redistx86.exe from random "DLL Download" websites. These sites often host malware or outdated files that can harm your computer. Always download directly from Microsoft.
The vc2013redistx86 120 40664 is simply the 32-bit Microsoft Visual C++ 2013 library, specifically patched for security. If a game or app needs it, simply install the official Visual C++ 2013 Redistributable (x86) package from Microsoft, and your issue should be resolved. vc2013redistx86 visual c 2013 x86 120 40664
Use Dependency Walker or dumpbin /dependents yourapp.exe to check which exact DLLs are missing. Install the corresponding redist or copy missing DLLs from a working system.
Although side-by-side assembly management prevents most conflicts, the following points are worth noting: Even with a straightforward installer, errors occur
| Software Category | Examples | |------------------|----------| | Games | World of Warcraft, League of Legends (older builds), Minecraft launchers | | Creative tools | Adobe CS6 components, CorelDRAW X7, Autodesk 3ds Max 2015 | | Development | Node.js native modules, Python C++ extensions, MySQL Workbench 6.x | | Hardware drivers | Logitech Gaming Software, Corsair Utility Engine (older) | | System utilities | CCleaner, Speccy, HWMonitor (legacy builds) |
If you run any software from 2013–2018, there is a high probability it requires vc2013redistx86. Use Dependency Walker or dumpbin /dependents yourapp
File version 12.0.40664.0 corresponds to a security and reliability update released in July 2016 (as part of Microsoft security bulletin MS16-100). It is not the original release (12.0.21005) nor the initial "Update 1" but rather a cumulative servicing update.
Key characteristics of this version:
| Attribute | Details | |-----------|---------| | Full version string | 12.0.40664.0 | | Core DLLs | msvcr120.dll, msvcp120.dll, vcomp120.dll, etc. | | Architecture | x86 (32-bit) | | Typical file size | ~9–12 MB (installer) | | Release date | July 12, 2016 | | Update classification | Security update / Hotfix rollup |
A small Windows utility that detects, installs, repairs, or uninstalls the Microsoft Visual C++ 2013 Redistributable (x86) — specifically version 12.0.40664 — and verifies runtime libraries required by legacy apps.