Sallos error

[sobe123]

I been trying for a mounth to download this it keeps saying to download directx what I have done already here the error I get everytime

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileLoadException: Exception from HRESULT: 0x80131019.
at Sallos.Core.Main(String[] args)
--- End of inner exception stack trace ---
at System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean isBinderDefault, Assembly caller, Boolean verifyAccess)
at System.Reflection.RuntimeMethodInfo.InternalInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean verifyAccess)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Sallos.Core.Startup(String[] args)
at Sallos.Core.Main(String[] args)