To enable or disable the fixes you need to run JSGME. In there you have the options to enable or disable any mods you like. It's pretty simple to use but in case you need to know more about it here are two good tutorials:
http://forums.totalwar.org/vb/showthread.php?p=1009484 and
http://forums.ubi.com/eve/ubb.x/a/tp...3/r/4231040223