The sort order that is used by Windows XP/2003 Server/Windows Vista for files and folders whose names contain numerals is different from the sort order that is used by Windows 2000.
(Fig 1: Sorting method used in Windows XP/Vista)
(Fig 2: Sorting method used in Windows 2000)
This article describes how to configure Windows Vista to use the sort order as in Windows 2000.
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Note: If the above branch does not exist (by default), you'll need to create the keys manually.
For a Windows XP version of this article, click here.