# \#msys2

**URL:** https://forum.opencv.org/tag/msys2/440.md

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## [\[MinGW64 on Win11\]Failed to build OpenCV-Python-headless via pip install](https://forum.opencv.org/t/mingw64-on-win11-failed-to-build-opencv-python-headless-via-pip-install/24176)

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**Author:** [@UltraBlackCat](https://forum.opencv.org/u/UltraBlackCat)\
**Replies:** 4\
**Last updated:** [November 1, 2025, 2:14am UTC](https://forum.opencv.org/t/mingw64-on-win11-failed-to-build-opencv-python-headless-via-pip-install/24176 "2025-11-01T02:14:45Z")

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Mingw64 on Windows11 Python 3.12.12 \[GCC 15.2.0 64 bit (AMD64)\] on win32 MSYS2 Package ,mingw-w64-x86\_64-python-opencv goes very well with no trouble, However, I was encountered one issue: the import process takes an …