Now after a bit of struggle and researach you have done installation of Windows 8 and started exploring it and noticed none of metro application are working for you. Even if you click double click or do anything nothing happens they even do’nt seem to be starting. As it’s a prebeta version still and many things are not expected to work normally any thing can happen anytime. This usually happens with wide screen resolutions.
here is a quick solution to help you out.
Just click on Dektop Icon as atleast this is working for everyone :-).
When Desktop opens change your screen resolution to 1024 X 768 and wow now go ahead and run any metro application it will start working normally.