Publish Captivate 2019 Module to the Web

I need to publish my responsive module and post it to my school’s Black Board site. I’ve watch numerous help videos and read many posts about this, and they all walk me through the same process: publish to device, create a zip file, then upload it here to this site, then provide the link to my professor via Black Board. I have followed these steps, but the zip file will not upload. I get a message that says “Invalid File […]