Scott Hanselman had a blog post a while back about this. Maybe his instructions will help? (I haven't compared this against your instructions so for all I know

Scott Hanselman had a blog post a while back about this. Maybe his instructions will help? (I haven't compared this against your instructions so for all I know they're the same steps.) https://www.hanselman.com/blog/HowToMakeAnOfflineInstallerForVS2017.aspx https://www.hanselman.com/blog/HowToMakeAnOfflineInstallerFo...