The places bar allows users to navigate via the common dialog directly to the
following locations: History folder, Desktop, My Documents, My Computer, and My
Network Places. When this registry value is enabled, Windows 2000 removes the
places bar from the Windows common dialog.
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\Comdlg32
Name: NoPlacesBar
Type: REG_DWORD
Value: 1 enable
Applications that use the Windows
common dialog API will comply with this policy.