ERROR opencv_contrib_python-341141-cp37-cp37m-win_amd64whl is not a supported wheel on this platform

This error typically occurs when you are trying to install a version of OpenCV that is not compatible with your system.

In this case, it seems that you are trying to install the opencv_contrib_python-3.4.11.41-cp37-cp37m-win_amd64.whl file, which is a wheel file for OpenCV version 3.4.11.41 on a Windows platform with a 64-bit processor.

However, it appears that your system is not compatible with this specific version of OpenCV.

To resolve this error, you can try downloading a different version of OpenCV that is compatible with your system. Alternatively, you can check if there are any dependencies or prerequisites that need to be installed first before installing OpenCV