Opening a project takes AGES

Hi everyone,

I wanted to play around with the UE5 and when I want to start a new project it takes ages to start. My CPU goes straight to 100%, but it’s not really on 100%. Apparently it uses only 0,6GHz per Core which is super strange. The temps are around 50°C what confirms it.

My Specs:
RTX 3090
AMD Ryzen 9 5950x (16 physicial Cores)
32GB Ram (3200MHz)
1 TB M.2 SSD

Best,
Björn