Windows Fundamentals, or WinFLP, is a tiny old system well‑usable on old machines. However, it is lacking NULL driver, which will probably cause many command‑line installers to fail. This is how to fix it quickly.
This is a re‑phrased, polished and updated walkthrough from original source here.
null.sys
to c:\windows\system32\drivers\null.sys
.regedit
and go to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\Root
.Root
folder, choose Permissions…
and add the Administrator
user with full control.Root
folder again and create a new key under it called LEGACY_NULL
.null.reg
unpacked from downloaded zip file.Device Manager
, select View → Show hidden devices
and find Null
under Non‑Plug and Play Drivers
.Driver
tab, change Current status
to Started
and select Boot
as a Startup type
.cmd
.echo >nul
.The system cannot find the file specified.
error.