Originally Posted by
Zorlon
Pokemon White has copy protection in it, so you will either want a pre patched version or to AP patch it yourself then try DeSmuMe again
I just use a 3DS with a flash kit though and does not require a patched rom
Some flash kits and emulators do not require the protection to be patched as those devices/emulators can bypass that to start with, but others do require some games to be patched, this is what prevents the EXP gain though as that is how the copy protection worked with this game