Kahenraz wrote on 2021-11-11, 22:23:

Originally found here: […]
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Originally found here:

ftp://ftp.hp.com/pub/ccd/vdf507en.exe

As referenced here:

https://web.archive.org/web/20021017213241/ht … f507en.exe.html

This utility is for Windows NT 4.0 which does not support ACPI power-off natively with this hardware.

No idea if the Wayback file page is Vectra specific in some way, but if not this seems to be the same package under a different name...

ftp://ftp.hp.com/pub/softlib/software1/vc4000 … en/edb048en.exe

...tracked from this page

https://www.driversforhp.com/download-hp/hp-s … nt4.0-free.html

This might work. Thank you. 😀