Vc2013redistx86 Visual C 2013 X86 120 40664
The numbers 120.40664 specifically refer to the file version of the DLL (Dynamic Link Library) inside the package:
If a program specifically asks for this exact version, it usually means you have an outdated version installed, or the installation is damaged.
12.0.40664, you need to update it.If this package is missing or the wrong version, you might see: vc2013redistx86 visual c 2013 x86 120 40664
If your application requires exactly version 12.0.40664.0 (due to a known bug fix or dependency), you can:
Q: My system is 64-bit. Why do I need the x86 version? A: Many applications (especially older ones) are compiled as 32-bit executables. They require the 32-bit runtime regardless of the host OS architecture. The numbers 120
Q: Can I just copy msvcr120.dll to System32? A: No. The redistributable registers side-by-side assemblies (WinSxS). Manual DLL placement breaks Windows’ internal versioning and can cause DLL hell.
Q: Why does the installer keep failing with a 0x80070643 error?
A: This is often a Windows Installer service corruption. Re-register MSI: msiexec /unreg then msiexec /regserver. If a program specifically asks for this exact
Q: How do I completely remove all traces of VC++ 2013 x86?
A: Use the Microsoft msizap.exe (part of Windows SDK) carefully, or use Revo Uninstaller. Then delete any leftover %windir%\WinSxS\ folders referencing vcruntime120.