Write Protection in 16-gigabyte

I’ve got a problem Write Protection in 16-gigabyte flash and image of the flash

I tried, I Delete Write Protection through
 HKEY_LOCAL_MACHINE / SYSTEM / CurrentControlSe t / Control / StorageDevicePolicies

But there is no impact to him and worked search and did not find it

http://up13.up-images.com/up/viewimages/029dea6111.jpg

I hope that you have a solution to my problem