Historically, many installers bundled these files, but due to licensing changes, Oracle sometimes requires users to download them directly from Microsoft. Step-by-Step: Download and Installation Latest Supported Visual C++ Redistributable Downloads
Once the installation is complete, launch VirtualBox. The application should open immediately. If you were previously able to open VirtualBox but could not start a Virtual Machine, the fix should also resolve the "Failed to open a session for the virtual machine" errors caused by missing runtime libraries. Historically, many installers bundled these files, but due
Once installed, VirtualBox will detect it automatically. many installers bundled these files
For VirtualBox on a modern 64-bit Windows PC, download the version. but due to licensing changes
Here is how to find the official download and resolve the installation error. Why VirtualBox Needs This Package