Well i was using my 1gb memory stick last night to transfer syphon filter, everything went fine. i turned it on loaded up syphon it didnt work... then i tried again , and some stuff, didnt work. so i figure ok well ill format, thentransfer again. so i format my ms, then transfer it and it didnt even boot up properly. so i figure maybe cuz i need mph loader on it, i go to transfer mph and the h:/ goes not responding. after this i cant transfer anything anymore, so i format again, syphon on, mph trys to go on freeze, format, try to put mph on , works, then i go to put syphon filter on half way through, something about a cyclic error, so then, format, then put just syphon filter on(thought it might be mph) and.....cyclic error, went to put daxter on, cyclic error, went to put tales of eternia on...and it worked. so now i cant transfer some files, others i can. the ms i did get from china, so who knows, i kno it has over 915 mb, so i dont think it is fake(i have had a 915 mb movie on there that worked throughout) and i have no clue what was wrong. oh and i did try pc formating, non quik format wouldnt work, and quik did and it wiped it, one time on reboot, it did scandisk on my psp mem stick(wich i had just formated ) and everything was back, and finaly, for the pc mem stick fat and fat 32 worked on quik format, both hung on not quik format. im not sure this is the right place to post it , but gamefaqs i didnt get much help so wth.