To change your Autosave location, do the following:
From the menu bar, pick TOOLS
Pick OPTIONS from the popup
From the Options dialogue box,pick the FILES tab
Go down the list till you see "Automatic File Save Location"
Double click on it
A subfolder will apear showing the folder location
Highlight it and pick the REMOVE button (this will not remove the folder,only the name)
Type in a new folder name and pick the APPLY button
Pick the OK button and you're done.