my windows vista don't know why it need pen drive driver when i plug it in. it should be plug n play no driver is needed for pen drive.how can i solve it? plsssss help.....

Hi eric,

Vista has stopped supporting alot of older hardware, this might include your pen drive.

Perhaps if you plug it in, and try to update the driver from Device Manager, it might detect the driver and install it for you from Microsoft Online.