[bug]: ImportError: DLL load failed while importing cv2: The specified module could not be found.

[pidtuner]

Is there an existing issue for this?

• I have searched the existing issues

OS

Windows

GPU

cuda

VRAM

4GB

What version did you experience this issue on?

3.4.0post2

What happened?

Try to run and get greeted by:

ImportError: DLL load failed while importing cv2: The specified module could not be found.

I have updated Nvidia drivers, installed CUDA SDK, and no luck. Also tried a few commands from the internet, yet cannot seem to move on

This is the output, thanks in advance for any help:

Loading...
WARNING[XFORMERS]: xFormers can't load C++/CUDA extensions. xFormers was built for:
    PyTorch 2.1.0+cu121 with CUDA 1201 (you have 2.0.0+cu118)
    Python  3.10.11 (you have 3.10.12)
  Please reinstall xformers (see https://github.com/facebookresearch/xformers#installing-xformers)
  Memory-efficient attention, SwiGLU, sparse and more won't be available.
  Set XFORMERS_MORE_DETAILS=1 for more details
A matching Triton is not available, some optimizations will not be enabled.
Error caught was: No module named 'triton'
[2023-11-30 13:18:30,577]::[InvokeAI]::INFO --> Loaded 0 modules from D:\DownloadsDevelopment\invokeai3_standalone\invokeai\nodes
Traceback (most recent call last):
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\Scripts\invokeai-web.exe\__main__.py", line 4, in <module>
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\api_app.py", line 40, in <module>
    from .api.dependencies import ApiDependencies
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\api\dependencies.py", line 10, in <module>
    from ..services.board_images.board_images_default import BoardImagesService
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\services\board_images\board_images_default.py", line 3, in <module>
    from invokeai.app.services.invoker import Invoker
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\services\invoker.py", line 7, in <module>
    from .shared.graph import Graph, GraphExecutionState
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\services\shared\graph.py", line 12, in <module>
    from invokeai.app.invocations import *  # noqa: F401 F403
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\invokeai\app\invocations\controlnet_image_processors.py", line 7, in <module>
    import cv2
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\cv2\__init__.py", line 181, in <module>
    bootstrap()
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\site-packages\cv2\__init__.py", line 153, in bootstrap
    native_module = importlib.import_module("cv2")
  File "D:\DownloadsDevelopment\invokeai3_standalone\env\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
ImportError: DLL load failed while importing cv2: The specified module could not be found.
Press any key to continue . . .

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[pidtuner]

If is of any help:

>nvidia-smi
Thu Nov 30 13:40:14 2023
+---------------------------------------------------------------------------------------+
| NVIDIA-SMI 546.17                 Driver Version: 546.17       CUDA Version: 12.3     |
|-----------------------------------------+----------------------+----------------------+
| GPU  Name                     TCC/WDDM  | Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp   Perf          Pwr:Usage/Cap |         Memory-Usage | GPU-Util  Compute M. |
|                                         |                      |               MIG M. |
|=========================================+======================+======================|
|   0  NVIDIA GeForce GTX 960M      WDDM  | 00000000:01:00.0 Off |                  N/A |
| N/A    0C    P8              N/A / 200W |      0MiB /  4096MiB |      0%      Default |
|                                         |                      |                  N/A |
+-----------------------------------------+----------------------+----------------------+

+---------------------------------------------------------------------------------------+
| Processes:                                                                            |
|  GPU   GI   CI        PID   Type   Process name                            GPU Memory |
|        ID   ID                                                             Usage      |
|=======================================================================================|
|  No running processes found                                                           |
+---------------------------------------------------------------------------------------+

[hipsterusername]

Would consider a direct installation rather than the standalone, to see if that alleviates the issue.

[pidtuner]

Would consider a direct installation

I just tried that, after full installation from scratch (marked as successful), I get the same exact error:

Starting the InvokeAI browser-based UI..
A matching Triton is not available, some optimizations will not be enabled.
Error caught was: No module named 'triton'
[2023-11-30 15:34:01,414]::[InvokeAI]::INFO --> Loaded 0 modules from D:\DownloadsDevelopment\invikeai3\nodes
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "D:\DownloadsDevelopment\invikeai3\.venv\Scripts\invokeai-web.exe\__main__.py", line 4, in <module>
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\api_app.py", line 40, in <module>
    from .api.dependencies import ApiDependencies
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\api\dependencies.py", line 10, in <module>
    from ..services.board_images.board_images_default import BoardImagesService
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\services\board_images\board_images_default.py", line 3, in <module>
    from invokeai.app.services.invoker import Invoker
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\services\invoker.py", line 7, in <module>    from .shared.graph import Graph, GraphExecutionState
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\services\shared\graph.py", line 12, in <module>
    from invokeai.app.invocations import *  # noqa: F401 F403
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\invokeai\app\invocations\controlnet_image_processors.py", line 7, in <module>
    import cv2
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\cv2\__init__.py", line 181, in <module>
    bootstrap()
  File "D:\DownloadsDevelopment\invikeai3\.venv\Lib\site-packages\cv2\__init__.py", line 153, in bootstrap
    native_module = importlib.import_module("cv2")
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\admin\AppData\Local\Programs\Python\Python311\Lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ImportError: DLL load failed while importing cv2: The specified module could not be found.

[pidtuner]

Finally, the issue is that OpenCV has a dependency on the Windows Media Feature Pack that does not come pre-installed in all versions of Windows. I had to install it, and very importantly; reboot.