failed to creat process

[Pythonpa]

err report:

1. OS version : windows server 2019
2. The envs had activate,and I have installed all the installation steps and required dependencies with no error warnings.
3. err detailed :
   (gg) C:\Users\Administrator\gangealing>torchrun --nproc_per_node=1 applications/mixed_reality.py --ckpt cat --objects --label_path assets/objects/cat/cat_cartoon.png --sigma 0.3 --opacity 1 --real_size 512 --resolution 8192 --real_data_path data\video_frames\white_cat-PNG --no_flip_inferencee
   failed to create process.

I don't know why this error occurred,and how to fix it.