PS2 DVD player update

[Bugwii]

Has anyone tried this kelfbinder2? I tried to use this to install dvd player update, it just keep saying input kelf can't be opened.
https://www.psx-place.com/resources/kelfbinder-2.1324/

 

[SylverReZ]

What is your motive for extracting the DVD player KELF? I don't ever see a need for this unless you were installing an older version of Free McBoot.