Hi dav6662,
Please try from a different web browser and check.
Also refer to the following threads and try the suggested solutions :
BLANK Cloud Screen http://forums.adobe.com/message/5484303
-and step by step http://forums.adobe.com/thread/1440508?tstart=0
-and http://helpx.adobe.com/creative-cloud/kb/blank-white-screen-ccp.html
Regards,
Rave