> Hello guys! I´m having this weird issue running MAMEUI on my core i7 1070 GTX on
> Windows 10. No matter what I do, it refuses to run (either crashes or displays
> message "unable to create Direct3D device")> Already tried updating drivers files and
> other MAME versions with no success. It runs fine, however, on my core i5 laptop with
> onboard graphics. Any ideas on how to solve this issue? Thanks in advance!
Try downloading Direct X 9c and installing it.