Microsoft Visual C++ 2008 SP1 Redistributable Package (x64) is a collection of essential files—specifically runtime components and libraries like C Runtime (CRT), Standard C++, ATL, and MFC—required to run 64-bit applications built using Visual C++ 2008 Service Pack 1. Chocolatey Software | Community
Installs libraries into the global assembly cache (WinSxS folder) to prevent version conflicts (a phenomenon historically known as "DLL Hell"). Why Is It Installed on Your PC?
, though Microsoft's support for these older packages is primarily limited to security fixes. Package Management : Users can also install it via command-line tools like winstall/winget using the ID Microsoft.VCRedist.2008.x64 Microsoft Learn
These packages install shared dynamic-link libraries (DLLs) directly into your Windows operating system directories ( System32 or SysWOW64 ), allowing multiple independent applications to call upon them simultaneously. Decoding the Name Microsoft Visual C++ 2008 SP1 Redistributable Package (x64)
The application requires the 2008 SP1 x64 runtime, but the system either lacks the library entirely or the local WinSxS registry keys have suffered corruption.
For modern development, use the latest Visual C++ 2015-2022 Redistributable (both x86 and x64), but keep older redistributables for backward compatibility.
"Runtime Error! Program: C:... This application has requested the Runtime to terminate it in an unusual way." Key Features and Supported Libraries , though Microsoft's support for these older packages
Uninstall all existing 2008 redistributable entries from your Control Panel, restart your PC, and perform a fresh installation of the package. 2. Do I Need Both x86 and x64 Versions?
Deploying legacy runtimes across enterprise environments requires silent switches and automated asset packaging. Silent Installation via Command Line
You typically don’t download this package manually. Instead, it is: For modern development, use the latest Visual C++
: Error 1935. An error occurred during the installation of assembly 'Microsoft.VC90.ATL, version="9.0.30729.1", publicKeyToken="1fc8b3b9a1e18e3b", processorArchitecture="amd64", type="win32"'.
Furthermore, some installers for larger, more modern software suites may still call the Visual C++ 2008 Redistributable as a dependency. For example, an installer for a major CAD or video editing application might silently trigger the installation of several Redistributable packages: 2005, 2008, 2010, 2012, 2013, and multiple versions of the 2015-2022 package. This "cascade" of installations ensures that all possible runtime requirements are met, regardless of which version of Visual Studio was used to compile each component of the main application.