Hi, if I may, I'm using the evil and accursed Vista. I use a thumb drive to escape 98% of the evils of Vista. It can't hide the files that way. I just create files on the thumb drive and I know where they are. Heh, just beat their system... And shared it. Heh heh.
The point of this is in the email portion of this game. Its much easier to ship the files if you have a easily accessible file,(not hidden) from the email system.