HelpDLL Injection Error

Hello,

When i am trying to inject a dll into fortnite it says " Failed to create directx Device and Swapchain"

can somebody explain and help me what causes the problem or how can i fix it?

I think it is the video card because I have 2 Video Card one with directx 11 and one with directx10 the hacker only works on the Dx11 Board I do not know why I think Directx 11 and the base of hack