You're off topic for this forum, which is dedicated to
Windows Live OneCare.
If you are referring to Windows Live Mesh, you'd want to be here:
http://windowslivehelp.com/forums.aspx?productid=24
However, you're not going to like the answer. Windows Live Mesh *synchronizes* changes automatically. Therefore, you can't recover previous versions. It isn't a backup mechanism.
-steve
~ Microsoft MVP Windows Live ~ Windows Live OneCare| Live Mesh|MS Security Essentials Forums Moderator ~