Yesterday reinstalled windows, graphic drivers and ff14 with cleanboot but with non-microsoft services disabled not that there were many at this point dx11 error still happened. Today I've tried underclocking my gpu by -50 and -100 mHz this seemed to cause the same dx11 error to pop up more quickly. At -100 mHz underclock got a new dx11 error but I think this one was more tied to the underclock rather than whatever is causing the dx11 error that everyone else is getting to begin with unfortunately forgot to take a screen shot of the new error.

What I did after I underclocked my gpu was walk all around Eulmore around the outside and then back into the center near the aetheryte in front of the augmented facet gear exchange npc with the camera faced towards the the aetheryte sat there for a few minutes before moving again game would crash either immediately or after a second or two. -100 mHz caused the crash more quickly than -50. hopefully this is useful in some way