You're off topic for this forum which is for Live Mesh -
www.mesh.com Go to Windows Explorer and select Tools/Folder options and then view.
Select "Show hidden files and folders"
Click OK.
You should now be able to see the files and folders again to select their properties to unhide them.
-steve
Microsoft MVP Windows Live / Windows Live OneCare, Live Mesh, & MS Security Essentials Forums Moderator