Can't post to server
I purchased a site on Domain.com and then created a website using Dreamweaver that I'd like to post there. The site is live and has When I try to upload it I get this error message:

The site is live (https://jdonovan43.com) and has the appropriate SSL certificate. This could be a problem on m end with Norton or Windows Defencer. Since Domain.com doesn't seem to have customer service, I'm asking here. Any suggestions, please?
