That’s all right.. thanks Herbfargus.
Tab key during a game, then find for “exit” line.
hit enter then pressed BACK+START keys on the same time.
all rocks!
About the GPU memory split, I just setup to 16 (it was set to 64 before)
I have added only one NES rom (1943.nes) into the folder and.. black screen just after the Emulation Station logo.