just got a new phone, LG 8100, and it's got a slot for a miniSD memory card, which i bought. the problem is when i go to transfer files from my computer to the card a window comes up that says "cannot copy "file name" :the disk is write-protected . remove the write-protection or use another disk." anyone have any ideas on this. PLEASE PLEASE i need sum advise. or else this p.o.s. is getting returned.