If nothing else works, completely uninstall and reinstall Forza Horizon 5.
Let’s fix it — step by step.
If you installed Forza Horizon 5 via the Microsoft Store or Game Pass, the Xbox backend services can cause 0xc00007b. If nothing else works, completely uninstall and reinstall
"The application was unable to start correctly (0xc00007b)." If nothing else works
Did this start after a or a new hardware install ? If nothing else works, completely uninstall and reinstall
If they are already installed, select during the installation process. 2. Install/Repair DirectX
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 The 0xc00007b error sometimes appears on outdated builds with missing API support.