Hier ist eine Lösung: :D 
  
 ; Use this one for hiding the network icon in your explorer. 
  
CLASS MACHINE 
  
CATEGORY !!Custom 
  
CATEGORY !!ExplorerExtras 
  
        POLICY !!HideNetworkInExplorer 
 KEYNAME "SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\NonEnum" 
            EXPLAIN !!HideNetworkInExplorer_Help 
                VALUENAME "{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}" 
                    VALUEON NUMERIC 1 
                    VALUEOFF NUMERIC 0 
        END POLICY 
  
END CATEGORY 
  
END CATEGORY 
  
[strings] 
Custom="Custom Policies" 
ExplorerExtras="Windows Explorer Extra's" 
HideNetworkInExplorer="Hide Network Icon in Explorer 2008/Vista" 
HideNetworkInExplorer_Help="Enable this one to hide the icon, disable or unconfigure to show it..."