How To Remove Write Protection From Your Pendrive??

METHOD - 1

 open registry and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicy and look for WriteProtect in the right pane. double click it and change value to 1 from 0

METHOD - 2

Try This Using Command Prompt(CMD)

Type diskpart and press <enter>.

Type list volume and press <enter>.

Type select volume x

-where x is the number of the drive that's giving you the write protected error.

Type attributes disk clear readonly and press <enter>.

Type exit and press <enter>.