Forza Horizon 5 Windows 10 version 1909 or later, or Windows 11. If you’re on an older build, update Windows fully. The 0xc00007b error sometimes appears on outdated builds with missing API support.
Your computer has two main "libraries" of system files: one for 32-bit programs (x86) and one for 64-bit programs (x64). When Forza Horizon 5 launches, it asks for specific 64-bit DLL files (like d3d11.dll or xinput1_3.dll ). If Windows accidentally points it to a 32-bit version of that file, or if that file is corrupted, the application panics and throws the 0xc00007b error. Forza Horizon 5 Windows 10 version 1909 or
Download and install the "Visual C++ Redistributable Runtimes All-in-One" package. This fixes the mismatch between 32-bit and 64-bit libraries. or if that file is corrupted