Hi @SplendidDigital. There were some issues with file uploads on some servers around the time you posted this message. If you're still having trouble, then that's not likely the cause of your issue. However, if you'd like to make sure, I'd recommend contacting our customer care team so they can double check the account. The connection error in WordPress can happen for any type of connection issue, including an interruption in your internet connection.
If you want to try uploading files to WordPress a different way, you can try uploading via FTP, then using a plugin like Add From Server. That imports the file into the WordPress install (wp-content/uploads) and adds a database entry for it. Hope that helps.
JesseW - GoDaddy | Community Manager | 24/7 support available at x.co/247support | Remember to choose a solution and give kudos.