while iam updating my graphics driver of amd,my laptop has suddenly shown an error screen and it was shut down.after restarting it has shown that windows has been recovered from a serious error and after that it is showing that gfxui has stopped working!also catalyst control center is showing that host application has stopped working.can any one tell me how can i fix this problem?please guys i beg you.i'm really worried and i was dying that aeros are not working!please help me