Answer
Buzzen help information for this topic.
Buzzen now uses a WebSocket based web chat. If you experience an issue with the chat pane, not loading trying clearing your browser cache as shown in the following faq
/faq/49
Also, some browser addons can stop the WebSocket from loading so check if you have any extensions loaded and if you do disable them one by one and try and see if it chat loads.
Some antiviruses can stop the WebSocket from loading. If this is the case check with the developers of your chosen Antivirus software on how to allow the WebSocket through.
Be on alert a nickname BuzzenAdmin has been whispering users asking theme to click a link and update their information. THIS IS NOT BUZZEN. It is a phishing scam do not click on any links from users claiming to be buzzen. The only official buzzen staff are ^Guide ^Sysop ^Admin and ^DT_ nicknames. If you get such a message please report it to helpdesk or a support Ticket.