Computer Freezes using Premier Pro 2017

I know this question has been asked before but there has yet to be a real answer to the question.  This is my scenario:

I will be editing in Premier and watching a tutorial video.  I will pause the video to try the thing that the tutorial suggests.  I return to the tutorial video and press play and the computer freezes and restarts (essentially the Windows 10 version of the blue screen of death).  It doesn't necessarily do it every time so sometimes it will take three pause/play cycles.

My specs are this

GPU: NVIDIA GeForce 750 Ti (Driver Version: 22.21.13.8205)

CPU:

RAM: 16 GB

Premier Version: Pro 2017.1.2

In this instance I am using iPhone footage.

Thanks