Here is a simple fix if your experiencing the game pausing or stuttering.
How to Fix Game Pausing and Stuttering
How-To (Step by Step)
Simply move or install the game to your SSD and your Stuttering issues should be fixed.
Also some things to help raise your FPS:
- Turn all Shadow settings to low, Turn reflections & Volumetric Lighting to medium or Low.
- Turn Motion Blur Off, Turn VSYNC Off, Turn Depth of Field Off.
- Lower Render Resolution Scale from default of 62%.