Stuck with black screen with ankama launcher

Im a return player. Im playing 2 acc before quit for study. Now i come back, and i got stuck with black screen when i start with ankama launcher. I try with steam and ... suprise ... i log in and play normaly. But i got 2 account so play with steam cant help me login 2 acc same times so i try again with ankama launcher downloaded on main website.

But i dont know why ... just still stuck with black screen and cant play. Please help me !!! And sorry my eng not good at all.