Im willing to give you my full hardware configuration info so you can investigate since ive been hit pretty hard with this problem that it eventually caused a lockup after all the freezing.
CPU: AMD Ryzen 1600x (Stock Clocks)
GPU: Nvidia GeForce GTX 980 4GB (Manufacture stock clocks)
RAM: 16GB DDR4 2400mhz
GPU Driver Version: Nvidia 388.00 was on .13 didn't make a difference
Operating System: Window 10 (version 1709)