D5 preview and render video noise problem

**D5 Render Version: 3.1.1 **
Graphics Card: NVIDIA GeForce 4070ti super (16 GB)
Driver Version: 616.92 (Studio Driver)
Issue Description: Problem: The grass and trees in my D5 Render preview and rendered videos are appearing noisy and flickering. This issue is very important and urgent for me. I would really appreciate it if you could help me find a solution.
**Screenshots/Videos Description: Please check this: https://drive.google.com/drive/folders/1I0ndI8cAcfNSZBkXNGNO_LiXs4XUQD_N?usp=sharing **
Steps to Reproduce (optional):

Hi @nadimhossain.joss

Please check my reply in this forum post. :saluting_face: