It is highly recommended that you update your Internet browser to the latest version available, to ensure that you do not have any trouble registering or logging in.
If the login screen just refreshes when you try to register or log in, even after clearing your cache, then you likely need to update your browser.
1. Follow this link to update your preferred default browser - http://browsehappy.com/
Once the browser update is complete, close out and restart the browser and try registering or logging into the members site again.