From looking into this issue I don't believe this is related to Confluence at all, but more a common problem with Google Chrome as described in thsi article: http://www.roezer.com/fixing-chrome-bug-error-324-neterr_empty_response/
Essentially, most people seem to fix this by clearing their cookies and caches so can you give this a go and let us know whether this resolves the issue or not? If that doesn't work you can also try "Incognito mode" because this issue could aslo be being caused by a browser addon that is causing conflicts.
All the best,
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs