I just bought a new Sony PSP and I'm trying to move video files to it. I have a 1GB Sandisk card in my PSP and I'm using the USB cable that I bought with a PSP pack to connect it to my PC. I'm using PSP Video 9 to transcode and move my files... but everytime I tell it to move my file to the PSP, it gives me an error saying "Cannot copy M4V10001: The disk is write-protected. Remove the write-protection or use another disk.... PLZ sumone help me... I can't figure out how to remove the write-protection on the disk. I continually try to unmark the "Read Only" but it just puts it back up... Any help would be great!

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