"Do you have favorite folders that you like to keep open when you are using
Windows? Then you will know the annoyance of having open folders being closed
when you have to log off or restart the computer. Fortunately, there is a way
to tweak Windows so that open folders are restored when you log back on or
restart."
http://www.techsupportalert.com/content/how-restore-open-windows-folders-when-you-log-and-or-restart.htm