I partly solved this problem! If I set the in the [sdl] the output from ddraw to opengl the error disappears BUT what generates this error? Why the nvidia card can't use the ddraw settings while the ati can do it???

I changed the 'Output' settings to all other settings and it doesn't work! I don't understand what happened!

Yes, I updated the directX because my old card was a DX10.1 card and the new one is a DX11.1! Yes, I changed both of the windowed and full screen resolutions! I wrote if I change to full screen this error remains... The copy of my config file as it worked (but doesn't work now): # This is the …

Thanks for your answer! Yes, I uninstalled the drivers because my old card was an ATI and the new one is an nVIDIA...

I use the DosBox 0.74 a long time and it worked correctly but I changed my graphic card and something happened. I used it in windowed mode (1280*960) with the 'ddraw' and 'advmame3x'. But now the 'Render' and 'Output' don't work. I changed the 'Output' the all other settings and it simply turns to …