This package appears to have a custom/proprietary license agreement, and ProGet cannot be automatically determine the license type. You'll need to assign a license type to the URL to allow or block packages with this license.
To install KB3033929 from the command line, run the following command:
choco install KB3033929 --version 1.0.5 --source http://choco.csdesiles.qc.ca/nuget/ChocoCSI/