Vc2013redistx86 Visual C 2013 X86 120 40664 -

Before downloading, verify the installed version:

Alternatively, check the registry:

If a different build exists (e.g., 12.0.30501), you should update to 12.0.40664.

If you are seeing an error message referencing "vc2013redistx86", "Visual C++ 2013 x86", or a version number like 120.40664, it usually means you are trying to run a specific Windows application or game, but a required system component is missing or corrupted.

This post explains what this file is, why version numbers matter, and how to fix the error safely. vc2013redistx86 visual c 2013 x86 120 40664

Microsoft continues to support the VC++ 2013 runtime on Windows 10 and Windows 11 via the Microsoft Support Lifecycle. Mainstream support ended in 2018, but extended support runs until April 9, 2024. After that date, no further security patches will be released.

Thus, 12.0.40664 is the final and definitive build. Developers should consider migrating their applications to VC++ 2015-2022, but for legacy software, this runtime remains essential.

This happens when a newer or older build exists and the installer cannot upgrade or downgrade.

Solution:

Many users install the original Visual C++ 2013 Redist from 2013 and never update. That exposes their system to known vulnerabilities in the C runtime.

Build 40664 includes fixes for:

Using the correct vc2013redistx86 (version 12.0.40664) is not just about compatibility—it’s about security hygiene.

Repair flow:

Uninstall flow:

DLL verification:

Logging and rollback:

Admin features:

Safety:

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. Before downloading, verify the installed version:

Method 1 – File properties: Navigate to C:\Windows\SysWOW64\msvcr120.dll (on 64-bit Windows), right-click → Properties → Details tab → Product version: 12.0.40664.0.

Method 2 – Command line:

wmic datafile where name="C:\\Windows\\SysWOW64\\msvcr120.dll" get Version

Method 3 – PowerShell:

(Get-Item "C:\Windows\SysWOW64\msvcr120.dll").VersionInfo.ProductVersion