salam bhai jaan umeed hai ap khairyat se honge...mere pass 4 gb usb hai...lekin jb main on krta hun tou *format the usb before open* ka option ata hai..leikin jb format karne lgta hun tou *format not complte* ka option ata hai...maine boht solve karnay ki koshish ki magar kamyaab na hosaka ...ab app logon se kch umeeden wabasta hain...madad farma k shukriya ka moqa dain...