ACPI ERROR [DSSP] Namespace lookup failure - Desktop locked up

HI,
i want to install ubuntu in hp z600 workstation
but i have some errors after boot
(I did the update of bios but it remains the same error)
thanks

I’ve moved this to the https://community.ubuntu.com/c/support-help-requests category because this site isn’t designed to take tech support questions. Sorry. I’d recommend using one of the official support channels listed on the https://community.ubuntu.com/t/finding-help/712 page.