movie static
 

hi, i am new to these forums, so a gentle kick only please.
i have tried d/l a few movies from the net ( mainly T1 & higher )
and have foundwith a few that after a brilliant intro screen with high quality sound & count down footage, the screen suddenly plays static fuzz with no sound.
is this a con, or do i need a different prog etc to view them.
i have tried viewing the films with a number of xp windows base players.any help would be appreciated.:D