open the Folder Options applet in Control Panel and click the Viewtab of the Folders Options box.
Folder Options
simple file sharing
You have to disable "Use simple file sharing".
add/remove programs applet in the control panel !
System
from your beeb
You must disable the simple file sharing applet.A+ Guide to Managing & Maintaining Your PC chpt. 19 pg 1003
Control panel.
Display
The PC Card icon in Control Panel
The Action Center
These are check boxes in the network properties for XP. In Vista, go to the Control Panel applet named Network and Sharing Center and you can turn these on/off.