Issues

i have some issues, since i've patched the game with the last patch
after about 10 mins. my screen turns black and i can't do anything
and what i have to do is restart my computer, this problema has ocurred like 5
times, with my two accounts.
So i hope you guys can help me. Here's mi email, i'll wait for any response of your part.
Sorry for my english, i'm just learning so be patient when you read this.
mi email is... borrego_836@hotmail.com