Java Error : java.lang.RuntimeException when Updating Vuze

Hello to everyone! I am currently experiencing this Java problem that I only encounter when updating my Vuze Bittorrent Client. I am just updating it to newer version but every time I try, the error pops up. The complete error is: "An error occurred: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException" After clicking OK button, the setup ends. And when I re-try to...