120fps lagging

Hey everyone i have a probleme With my PP 5 Days before i had on my timeline shots that i've made with SONY ALPHA 4k 120fps i edited some of it THE SLOWMOTION WAS PERFECT  and after the updat of PP the slow motion is laging i tried to export it just to see the render i thought it's a basic problem but nope , it's like puting a POSTERIZING TIME EFFECT on the video, i tried - MODIFY-INTERPRET FOOTAGE- ASUME THE FRAME RATE but nothing 

Creating NEW SEQUENCE FROM CLIP NOTHING 

Processor:
AMD Ryzen 9 5900X 12-Core Processor
Installed memory (RAM):
128 GB