Installing scikit learn under win7 will report an error

ERROR conda.core.link:_execute(701): An error occurred while installing package 'defaults::scikit-learn-1.0.1-py37hf11a4ad_0'.
Rolling back transaction: done

LinkError: post-link script failed for package defaults::scikit-learn-1.0.1-py37hf11a4ad_0
location of failed script: E:\PPY\Scripts\.scikit-learn-post-link.bat
==> script messages <==
<None>
==> script output <==
stdout:
stderr:
return code: 1

This should be the problem caused by the source of CONDA. The solution can be installed using the following command

conda install -c anaconda scikit-learn