How come I can't extract the bootloaders from the zipped folder downloaded from mediafire? there's diasnostic message

"! C:\Documents and Settings\Kelvin\Desktop\Bootloader.zip: Cannot create folder Bootloader 3.9:4.6
The directory name is invalid.
! C:\Documents and Settings\Kelvin\Desktop\Bootloader.zip: Cannot create Bootloader 3.9:4.6\BL-46.bin
The filename, directory name, or volume label syntax is incorrect.
! C:\Documents and Settings\Kelvin\Desktop\Bootloader.zip: Attempting to correct the invalid file name
! C:\Documents and Settings\Kelvin\Desktop\Bootloader.zip: Cannot create Bootloader 3.9:4.6\BL-39.bin
The filename, directory name, or volume label syntax is incorrect.
! C:\Documents and Settings\Kelvin\Desktop\Bootloader.zip: Attempting to correct the invalid file name"

and the link to download BL 3.9 was removed at megaupload.