FTP file transfer - file 'shrunk' from 7GB to 2 GB with filezilla

I am trying to move what a win 7 machine says is about 7GB to a windows xp machine.  using filezilla server on the xp machine and filezilla portable on the win 7 machine, I move the file.

while transferring, it says the file is 7GB.  the % moved at 25% says that 1.8GB have been moved and it took about 8 hours over a logmein Hamachi vpn (the machines are miles apart)

when the file is done, win xp says the file is about 2GB.

Any thoughts on why that happened?  the file is a shadowProtect .spi file. It is not a valid file after the move, so it's not the same file as before / not just a difference of OS and how they display file size.
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KimputerIT ManagerCommented:
Are you sure your WinXP is NTFS formatted? If it's FAT32, it's quite easy why it's 2GB as the drive cannot handle files over 2GB

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BeGentleWithMe-INeedHelpAuthor Commented:
OOOOH!

Sounded good, but no, it's NTFS.  I thought fat32 was 4Gb max, now that you mention this, but again, it's an ntfs drive

and I just moved another 7 gb file from 1 local drive to the other local drive at that remote location.  shows 7GB, so it's not fat32 / ntfs issue?
KimputerIT ManagerCommented:
Filezilla by default keeps a detailed log file. Can you put it up?
I mean the server log, usually at C:\Program Files\FileZilla Server\Logs (choose the correct date).
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