as said in the manual you can just configure it with the prx itself and the installation configurator will only work if the configuration was already saved (it's a sort of recovery method)
Canislupus.
then the codes are the problem try to check what is the bad code if you can
magaman you can search now in the database from
http://cwcheat.zioale.it or you can search inside the database file with you text editor or browser. if you have linux a cat ./cheat.db | grep _G will do the trick
there aren't codes for ghost in the shell.
if you mean weapon code to add weapons you don't have that's a difficult cheat. you need to compare dumps by hand or decompile the dump