Try the following:
If you are using Chrome, try opening an "incognito" tab or window
You may need to talk to your IT support team for further support. There is an infinite range of security settings that may interfere with the widget and our GMS. Unfortunately, we can't troubleshoot them for you.
If these three solutions don't work for you, then it may be that you will not be able to use the chat feature. Don't worry, you can still email or call us for support.