``Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Explorer]
"DisableThumbsDBOnNetworkFolders"=dword:00000001 ``
If you place that content in its own text file (e.g. with Notepad) with a .REG extension, you can double-click to import on any Windows Vista or Windows 7 machine to apply the setting. Be careful editing your registry directly.