| Error Code | Likely Cause | Solution | |------------|--------------|----------| | | A newer version of VC++ 2008 is already installed (contradictory but possible). | Uninstall all VC++ 2008 entries (both x86 and x64) via a cleanup tool. | | Error 1935 | Windows Installer corruption or .NET Framework issues. | Run sfc /scannow in an elevated command prompt, then install the latest Windows Update. | | 0x80240017 | The installer is too old for your Windows version. | Ensure you have the updated (6161) version, not the RTM. | | Side-by-side error persists after install | Windows has cached the missing DLL error. | Run the application as admin once, or restart your PC. | | “Another version is already installed” | The x86 version is present, but you’re trying to install x64 – that’s fine. But if the exact same x64 version appears, you don’t need to proceed. | Check your installed programs list. |
The "SP1 updated" version (9.0.30729.6161) is the recommended release for all x64 systems. Microsoft no longer issues further updates for this runtime; support ended with the Visual Studio 2008 extended support lifecycle (April 2018).
If you are sharing a link to download this file, please ensure you are linking to the official Microsoft Download Center or a trusted source. | Error Code | Likely Cause | Solution
Yes. Microsoft has backported security patches. It runs in a compatibility layer without issues. However, if you don’t have any legacy software, you don’t need it.
However, most C++ applications do not run entirely on their own. They rely on a set of shared libraries known as the (e.g., msvcr90.dll , msvcp90.dll ). Instead of forcing every developer to bundle these large files with every single app (which would waste disk space and memory), Microsoft created the “Redistributable Package.” This package installs the runtime libraries once, centrally, on your operating system. Any application that needs them can then call upon those shared files. | Run sfc /scannow in an elevated command
If the installer claims success but applications still fail:
I can guide you through the exact repair or installation steps tailored to your machine. Share public link | | Side-by-side error persists after install |
Inno Setup (silent): include vcredist_x64.exe and run: [Run] Filename: "tmp\vcredist_x64.exe"; Parameters: "/q"; Flags: waituntilterminated
Installing the updated 64-bit package restores the missing .dll files and resolves the registry configuration issues causing these crashes. How to Check, Install, or Repair the Package
Let’s decode the keyword piece by piece.