WHO CAN HELP ME , PLEASE ?

DEAR COLEAGUES,
DUE TO A FATAL ACCIDENT THE SOURCE CODE OF A PROGRAM HAS BEEN LOST FOR EVER ! I HAVE THE EXECUTABLE FORM(.EXE) OF THIS PROGRAM WHICH MUST
BE MODIFIED !BREAK CODER ! NEED YOUR HELP !
WHO CAN TELL ME /HELP ME TO TO GET THE SOURCE OF
THE .EXE PROGRAM IN C OR JAVA LANGUAGE IN ORDER
TO BE MODIFIED , COMPILED ,LINKED AND RUN AGAIN?
PLEASE ANSWER ASAP .
EMAIL :DOLJ@HOTMAIL.COM .
THANK YOU VERY MUCH IN ADVANCE !
EMIL