When a permission error occurs during the installation process (on Windows)

There are cases where the package you are trying to install is already being used by another custom node that has been loaded.
- This issue occurs only on Windows.
Please close ComfyUI and execute install.py directly using Python in the custom_nodes/ComfyUI-Impact-Pack directory.
- In case portable version:
  1. goto ComfyUI_windows_portable directory in cmd
  2. execute .\python_embeded\python -s -m custom_nodes\ComfyUI-Impact-Pack\install.py
- In case venv:
  1. activate venv
  2. execute python -s -m custom_nodes\ComfyUI-Impact-Pack\install.py
- Others:
  1. Please modify the path of 'python' according to your Python environment.
  2. execute (YOUR PYTHON) -s -m custom_nodes\ComfyUI-Impact-Pack\install.py

Destortion on Detailer

Please also note that this issue may be caused by a bug in xformers 0.0.18. If you encounter this problem, please try adjusting the guide_size parameter.