Len,
New Build appears on my screen without any problems. I have been in touch with our IT support who say that apart from possibly the reasons mentioned above, there should be no difficulties.
It is possible that your screen display settings are not displaying the page correctly. The first thing to try is to refresh the page. Otherwise it's a bit difficult to diagnose what the problem is. If you are using Internet Explorer then applying 'Set Compatibility On' might help.
Colin