SD Card

Hello,
I'm having trouble with a Verbatim Micro SD 2GB card and:
-i put it into a Kingston Micro SD adapter
-i UN-LOCKED it the ADAPTER!!!
-i put it into my card reader in my laptop
-i tried to format it from Windows 7 "My computer"- didn't work
-i tried to fromat it with HP USB Disk Storage Format Tool, V2.1.8 - Error : Device media is write-protected
-i tried to format it with my mp4, camera, phone etc - didn't work

Please offer me a solution