What happened

[Gamekid]

On my psp, under game, and then memory stick, I have corrupted data present. If I choose to delete the corrupted data and then go to usb mode, go to psp and then game, there is no update folder present. Everyone knows that in order for the psp to recoginze a firmware update for the psp, you need to have a psp folder, then a game folder, then an update folder. If I add an update folder, my corrupted data appears again. If I format the memory stick and then go back to usb mode, I have to make an update folder, if I do this, my corrupted data appears again. I think that it would be best to get another memory stick pro duo unless there is something else that I can do.