We tell our children that sharing is good, but when it comes to computers, running with sharing turned on can pose a security risk.
If you are connecting to a Wi-Fi network—or any network—and sharing is turned on, anyone else on the network can read your files across the network. For that matter, your files can be altered or deleted across the network, as well.
You cannot lock the entire Documents and Settings folder, only the individual user's folders listed under Docu ments and Settings. Otherwise you would be able to lock out other users of the same machine.
If your folders are private, your files cannot be shared. This may not ...