can’t open demo | Starship Simulator | Page 1

That's interesting. Your computer doesn't have a library that it's assumed to have on it. The library is here: https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist?view=msvc-170
I thought every computer had this library

This article lists the download links for the latest versions of Visual C++ Redistributable packages.

#can’t open demo