Checksum error when trying to flash

[Nopir]

I just bought a brand new Archgon MD-8107S-U3YC-UHD which i've been told is just a LG BU40N in an external shell

So I followed this tutorial

https://www.youtube.com/watch?v=ne3SchK ... =19&t=215s

and keep getting the same error.

Am I screwed or is there a step I'm missing?

[Billycar11]

The video was out of date when it was released
Follow the real guide
Or get an automated flash from me or marty

[Nopir]

Solved it, thank you very mch

[Billycar11]

Restart the computer. A normal restart usually creates a new checksum and eliminates the error. ...
Download and flash a BIOS update. Download the update from the motherboard manufacturer's website. ...
Reset the BIOS. ...
Replace the CMOS battery. ...
Consult a technician or computer repair expert.

No pls
They got that error because they didn't follow the guide and use a new flasher they use the old flasher that will never be able to encrypted firmware