I have a Lexar 16gigabytes USB stick (for USB 2.0) that got corrupted somehow with a Write-Protected message. I have backed up all the data that was on the stick (nothing original was ever on it) and managed to delete the files on the stick. However, it will not reformat, and it still gives me the write-protected message. I've tried using the Lexar USB tool to reformat it, but it does not work. Looking for options to repair this stick.