For sites with poor Internet connection,
conda install mypkg will fail and not resume a partially downloaded package.
Workaround: use URL from the error message with cURL to download the package and install directly.
curl -L -O -C https://conda.anaconda.org/conda-forge/win-64/<package file>
Resume download interrupted by reissuing the command to resume download.
Install from the
tar.bz2 file by
conda install <package stem>.tar.bz2