When i try to start the installer it comes up an error message: 

___________________________________________
############################################################################################
FATAL ERROR in Vertex Shader compilation
ShaderName: sh_overgang

D3DXCompile failed - result

at gml_Object_obj_intro_Draw_77
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Object_obj_intro_Draw_77 (line -1)

How do i fix?

You need this driver:

https://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=35