Have a look through all of the subfolders of C:\Documents and Settings\[your username] for "My Pictures/Videos/Received Files/whatever" and for the files you had on your desktop.
By rebooted, do you mean reinstalled?
Have a look through all of the subfolders of C:\Documents and Settings\[your username] for "My Pictures/Videos/Received Files/whatever" and for the files you had on your desktop.
By rebooted, do you mean reinstalled?