0xC0000005 error installing opencv-contrib-python


I'm trying to install opencv-contrib-python, following the steps here.

On Pycharm, the line import cv2 causes my script to exit with Process finished with exit code -1073741819 (0xC0000005). On the console, it fails silently.

I've run through all the FAQs:

  • I created a new virtual environment (Python 3.8) to ensure I had no conflicting OpenCV installations. Pip does not fail on installation, and I get no Windows import errors.

  • My only .pyd file in C:\Users\user\PycharmProjects\ComputerVision\venv\Lib\site-packages\cv2is cv2.cp38-win_amd64.pyd. I have debugged missing DLLs using Dependencies and found none, though I'm no expert. If it's of help, the "Hint" for the address given, 0xC0000005, is PyArena_AddPyObject.

I appreciate this is likely a system error on my end, but any help would be much appreciated.

asked on Stack Overflow Nov 30, 2019 by Dom White

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