Hi Christine, the problem is now solved. There was an error in the php somewhere which my host found and fixed. All is OKm now. Thanks for your advice.
Problem solved! There was an error in php. My host fixed and all is OK now
Thanks for the suggestion Christine,
I have removed the original install and re-installed it with the same result. I used Fantastico de Luxe through cPanel to install. The default WP version is 3.3.1 which is normally upgradable to the current latest version through the dashboard. But as the dashboard is empty apart from the left column links (all of which are active but show the same blank screen( I am unable to upgrade the version nor do anything else.