Found existing installation: numpy 1.15.0rc1+mkl Uninstalling numpy-1.15.0rc1+mkl: Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'f:\\program files\\python\\python36\\lib\\site-packages\\numpy\\core\\_multiarray_tests.cp36-win_amd64.pyd' Consider using t...