I can`t install comproxy.jar on my nokia 3250

why can I install comproxy.jar on my nokia 3250 ? I recive this msg " invalid jar file"

comproxy

this file must be run on pc not phone. I'm sorry, I should write better documentation ;o)

.

nothing happens when i double click on the comproxy file on my pc! every other jar file works on pc. what to do... what to do?

command line

do you have java 1.4 or higher installed? try it in cmd line. what does it say?