limewire launcher error
 

limewire had been working fine for a while now everytime i try to load it up it comes up with just a little box titled limewire launcher error and in it says limewire was unable to load the java runtime enviroment.please download and install a newer version from java.com.....................................which i have try to do but when i go to download it java is saying i already have the newest version????im stuck has anyone had this>???and has anyone got a way of fixing this...many thanks!