i had san Disk usb memory 16gb and fail to format all time

when i tried to use my san disk it says that it need to be formatted i tried to format it but it failed because it said Device media is well protected and i tried also to format it with using Hp usb format tool it failed too and i tried using dos but it failed and i tried to format it using disk mangement it failed too i need help please because i tried all ways to formatt it but all failed

I have the same problem…

:frowning: