127.0.0.1 install.solidworks.com 127.0.0.1 www.solidworks.com 127.0.0.1 api.solidworks.com or
0.0.0.0 install.solidworks.com 0.0.0.0 www.solidworks.com 0.0.0.0 api.solidworks.com Save the changes to the hosts file. solidworks host file block install
If you want to allow the installation of SolidWorks, simply remove the entries you added to the hosts file. solidworks host file block install