Vista upgrade from XP SP2

>I don't know what build it is, as its at home, its from December, i assume
>is
> 5381, i will confirm later. However, after installing ( all 6 hours ), i
> can't browse anything, windows simply flash up and close instantly after
> double clicking, i can't run any programs either, i have tried to browse
> to
> the root of C:\ but i can't unless i browse through the supplemental
> driver
> upgrade program which is looking for D:\drivers, which isn't on the
> Technet
> DVD i got.
>
> Cheers, any HELP! would be muchly appreciated,
>
> Bryan