Microsoft has not updated the VFP runtime since 2015, meaning newer Windows updates (especially those enforcing stricter DLL signing and Control Flow Guard) can interfere.
: Often required for modern graphics rendering within the app. Experts Exchange How to Fix It on Windows 10 1. The "Side-by-Side" Quick Fix visual foxpro support library windows 10
: The Microsoft Visual C++ 7.1 runtime, which VFP 9.0 depends on. Microsoft has not updated the VFP runtime since
If you cannot run an installer (e.g., for a portable legacy app), deploy the libraries locally. for a portable legacy app)
To run a VFP 9.0 application, your system specifically needs the following DLLs: Experts Exchange : The main runtime library. vfp9renu.dll : The English resource file. msvcr71.dll