need help. mm is killing me

[shockednitro]

i got the castle link going on my computer, the problem goes when i try to update and i plug in the mm the and update it says it needs a driver. and now the truck wont run it just sits there when i turn it on it just lights the red led very dim.
maybe im using the wrong usb maybe?
yes you right hemi for electronics im not going to ebay anymore EVER.
im running c link in xp compatibility mode