Thanks for your reply
1 - What size is the SD Card = 2Gb
2 - Why an SD Card rather than a USB Drive?= some thing going on i can format it, if usb drive can not format with windows
3 - Did you right click on the command prompt and select "Run as Administrator" =Yes
4 - Have you tried completely formatting the SD Card and started again from scratch? = Yes format with window and also used command prompt to cleaned still have a same problem