Prepar3D V5.2 crashes after "loading coplete"

[flambinet]

Good afternoon,
I am completely new her and just purchased and installed version 5.2.
I think, from what I read, it includes the hotfix.
The program crashes ater the message "loading complete"
Before that, I was able to select an airplane, select an airport (EDSB), modified the
display section to the lightest load, store everything, but still the program crahes.
I have two graphic cards installed Nvidia Geforce GT 630 and I read in the FAQ that they should
support Direct X 12, which I saw they do in a NVIDIA support site.
Unfortunately, when I started Prepr3D the first time, I ignored the warnig that came up
at the beginnig. I am not sure if it is relevant, but that´s what happened.
In addition, my NVIDIA control center also crashes after a few seconds.
I am pretty much lost and would like to get the community's support on how to get the program started.
Sorry for being number ??? who asks the same question.
Thanks for your help
Fritz Lambiet

[Martyson]

@ flambinet ,

system-requirements,
https://www.prepar3d.com/system-requirements/

P3D Refund Policy:
https://www.prepar3d.com/support/refundpolicy/

[JorgenSA]

Flambinet,

Direct from nVidia's website, about supported technologies:

DirectX 11, CUDA, PhysX

So no DX12 support. In addition, 4 GB of VRAM is required - on ONE card.

Jorgen