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## 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```


## If the nodes of the Impact Pack hang during execution

* During the execution of processes related to dilation, issues like this may arise depending on the compatibility of the computer environment.
* Please set `disable_gpu_opencv = True` in the `ComfyUI-Impact-Pack/impact-pack.ini` file. Occasionally, issues may arise when the OpenCV GPU mode is activated depending on the environment.

    e.g.

```

[default]

dependency_version = 17

mmdet_skip = True

sam_editor_cpu = False

sam_editor_model = sam_vit_b_01ec64.pth

custom_wildcards = /home/me/github/ComfyUI/custom_nodes/ComfyUI-Impact-Pack/custom_wildcards

disable_gpu_opencv = True

```


## An issue has occurred with importing Ultralytics.
```

    AttributeError: 'Logger' object has no attribute 'reconfigure'



    or 



    AttributeError: 'Logger' object has no attribute 'encoding'

```
* Update `ComfyUI-Manager` to V1.1.2 or above


## An issue has occurred about 'cv2'

```

    AttributeError: module 'cv2' has no attribute 'setNumThreads'

```

* Update 'opencv-python' and 'opencv-python-headless' to latest version
    * Once you update to the latest version, you can also downgrade back to 4.6.0.66 if needed.
    *  For the portable version, navigate to the portable installation directory in the command prompt, and enter the following command: 

    ```

    .\python_embeded\python.exe -m pip install -U opencv-python opencv-python-headless

    ```


    * When using the WAS node suite or reactor nodes, using the latest version may not work as expected. You can downgrade using the following command:

    ```

    .\python_embeded\python.exe -m pip install -U opencv-python==4.6.0.66 opencv-python-headless==4.6.0.66

    ```



## 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.



![example](black1.png)



![example](black2.png)

* guide_size changed from 256 -> 192