no message boxes or anything? Are you sure it's not running with another window in front of it? Click alt-tab to make sure it's not behind another window, or try cntrl alt delete to get the process manager up and make sure a copy of it isn't running. Also try running it in another directory to see if it gives the message "cannot find rb_names.txt".
It's writing in winAPI c++ so it's not like you need a framework or anything to run it. And it can't have something to do with WindowsXP as that's what I run and it works fine.