How to remove write protection from usb flash-drive?

USB Flash Drives All USB Flash Drives
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This error implies the drive has a hardware error and needs to be replaced.  These two links may help.

http://forums.sandisk.com/t5/All-SanDisk-USB-Flash-Drives/HELP-how-do-i-reomove-write-protected-message-from-my-16gb-flash/m-p/279906

http://www.rmprepusb.com/tutorials/54—how-to-fix-write-protected-disks