How to solve the problem of write protected USB stick:

There are many ways for this issue. They are effective and save you from the problem immediately:

First Place your USB stick into the computer and go to the start menu and chose the run window and type in the word regedit and press ok . Or go to the start menu and in the search box , type the word regedit and press enter .

It will shows a window , go to HKEY LOCAL MACHINE option and then scroll down to the SYSTEM and then scroll down to the CURRENT CONTROLSET then chose CONTROL.

Then scroll down the list to StorageDevicePolicies DoubleClick and press the mouse on the word writeprotect in the list on the right. Then it will give you message  is showing a  value from 1 to 0 , press ok and close the window .  Then takeUSB stick off  from device and  installed again and go to work and folk format her through the windows you will find that it has accepted formic .