When Windows is "unable to complete the format" on your pen drive. Write Protection:
: If the drive's LED does not light up or if it shows a "Code 10/43" in Device Manager that software cannot fix, the hardware may be physically failed . Silicon Power UFD Recover Tool v6 - USBDev.ru sp recovery tool utility
Depending on your specific hardware and the nature of the issue, Silicon Power offers several distinct tools: USB Flash Drive Recovery Software When Windows is "unable to complete the format"