To quote Mike M....
usbntmap.sys is with most other usb related files in the "cab" files in the
Win9x folder on the Win Me CD and/or in a sub-folder of Windows\Options and
not directly visible in Explorer.  Look for the folder containing the file
BASE2.CAB.  When the installer asks for files point it towards the folder
containing the file BASE2.CAB.

See MS  KB 265371 - "How to Extract and Replace a Protected File in Windows
Me" (http://support.microsoft.com?kbid=265371) for details of how to
manually
extract files from the cab set.  Alternatively use MSConfig |
General | Extract File... and follow the prompts to extract a new copy of
the
required files to your windows\system32\drivers folder .  Most USB related
files can be found in  BASE2.CAB although some are located in other cabs.

Alternatively you could visit
http://www.usb-drivers.com/drivers/63/63237.htm
and download usb-WinMe.exe which contains WinMe's usb related files.
Extract
the files you want and put them in windows\system32\drivers.
--
Mike Maltby MS-MVP
mcmaltby@hotmail.com

When it asks for usbntmap.sys, you need to browse (navigate) to the
C:Windows\Options\Instal or CABS folder, where there *should* be a complete
copy of your WinMe Setup files and the installation of the USB files should
then continue.

(The folder which you should be looking for [Instal or CABS] is the one
containing a whole series of .cab files - including BASE2.CAB which contains
the usbntmap.sys file.)

Mart