Understanding the Microsoft Visual C++ 2008 SP1 Redistributable Package (x64) Updated
| Error Code | Likely Cause | Solution |
|------------|--------------|----------|
| 0x80070666 | 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. | | Run sfc /scannow in an elevated command
An up-to-date x64 runtime from 2008 is minimally secure for modern internet-facing applications, but it is not perfect. Microsoft ended mainstream support for VC++ 2008 in 2018 (extended support ended in 2023). Therefore: | | Side-by-side error persists after install |
Don't let a missing dependency crash your workflow. Get the updated x64 package here: [Insert Link Here] but it is not perfect.