I am trying to install two updates from the pioneer website for my F940BT - I downloaded and extracted everything indivdually as directed and when i have tried to install i get the SD version displayed as “--------†which according to pioneer means that the "data on the SD memory card or microSD card may be corrupted. Please repeat the firmware download and installation process" I have then reformated the SD card and tried again a number of times (making sure there is only the update folder and file located within the root folder) but still have the same problem - Is there something i am n