FED,
Can you clarify what you mean by "changing the order of a folder"
Just a thought, are you referring to the folder list that is normally on the left hand side of the window? The one that list folders and files? is that what you are missing? If so, look carefully and you should see a small arrow that you need to click to reveal your folder system.
You should see about 4 folders towards the top (from memory, no win 7 to look at, at the mo). Favourites/Libraries/Computer/Network. Try having a click round there. Can't be more specific at the moment.
Just found this.
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Are you seeing something similar to this? All your files and folders should be there.