Sony Memory Stick PRO Duo (2GB) for PSP "magic gate unknown" Questions

magic gate is unknown..i can't play my games..heLp!!! my magic gate memory stick says that the format is unknown please Format ur Memory Stick

...on your PSP if its says that MAGIC GATE is unknown rather than supported then it is fake. The fake ones typically double compress the data so that it appears to have 8GB when in reality it does