The Application Was Unable To Start Correctly 0xc00007b Forza Horizon 5 Fix Jun 2026

This repairs core Windows files without affecting your games or saves.

Forza Horizon 5 uses DirectX 12, but it still relies on legacy DirectX 9 and 11 files. A single corrupted DX file can trigger 0xc00007b.

This advanced solution can be effective if nothing else has worked. Some users have reported success by deleting specific DLL files associated with the XInput (controller) library. Before proceeding, be careful when deleting system files:

If you installed Forza Horizon 5 via the Microsoft Store or Game Pass, the Xbox backend services can cause 0xc00007b.

The most frequent cause is missing or damaged runtime libraries.

Forza Horizon 5 uses DirectX 12, but legacy DirectX 9/11 files can still cause conflicts.

Press the , type cmd , right-click Command Prompt , and select Run as administrator .

This is the #1 cause of the 0xc00007b error for Forza Horizon 5. The game relies on a specific chain of VC++ libraries, and if one is missing or corrupted, the error appears.