To launch the process, the device must have a charged battery or cradle. This step will copy the kernel from the SD card partition 2 (mmcblk0p2) to the RAM address 0x31000000 and run the booting process from the RAM. Insert SD card into PC and copy all of the individual OSUpdate files (files must be loose within the root directory, not within a folder. If you absolutely want to get rid of the message, try switching between exfat and ntfs.