Hello, i am having problem with 0.5 and 0.4 ( i havent tried the older one). When i start mining after 10 15 min all cards crash. There is a message that says GPU 0 , 1 ,2 are unavaible or busy and trying to restart. I am usisng 1060 6 g , 1070 TI and 1080 TI. My OC setttings are Power 90 %  0 clock on memory and the other one is 0 only my fan speed is changed and they crash with 0 OC i am usising windows 7. Can someone help ?