Wait for the process to finish. If the file was missing, Steam will re-download it instantly. 2. Check Your Antivirus "Quarantine"
If nothing else works:
过时或不兼容的显卡驱动也可能导致 DLL 加载异常，因为它可能影响游戏对 DirectX 组件的调用。 dishonored steamapidll is missing