WinError 2 The system cannot find the file specified when I python detect.py --source 0

Question

I have some problem about yolov5 My step work

1. create new env clone base(anaconda3) python 3.8.12
2. activate env
3. git clone https://github.com/ultralytics/yolov5
4. pip install -r requirements.txt
5. python detect.py --source 0

After that, This problem appeared how to fix that I don't know what is that mean. enter image description here

This is my info python 3.8.12 enter image description here