Updating offsets is quite easy one you know how it is done.
Just look for a commented line with some random numbers like this:
This is just an exemple, don't try with it.
Ok, now just search for it using array of bytes scan mode. One adress should appear (in some hacks more than one does, like wallhack, so first try with speedhack, which only has one of them.
Ok, remember it and go to the script.
Search for the old adress and introduce the new one there (first delete the old, and then copy the new).
Well, now the script should work.