Couldn't parse dbx signatures: -74 error on linux boot

I recently put Ubuntu on my laptop

Seems to work fine but I get the following error on boot:

Couldn't parse dbx signatures: -74

Seems to work fine otherwise is this something I should worry about

Hi @netblaze, welcome to Computer Forums

That certainly is an odd error, could you tell us some more info please?

-Where exactly in the boot process do you see this error?

-What make/model of laptop do you have?

-Which version of Ubuntu have you installed?

Hi thanks for getting back to me
-Where exactly in the boot process do you see this error?
It’s after the lenovo boot logo comes up
-What make/model of laptop do you have?
lenovo ideapad s340
-Which version of Ubuntu have you installed?
20.04

Do you know if you are using UEFI or legacy/CSM boot?

Do you know if secure boot is on?

Check these settings in your BIOS settings

Thanks for your reply, i am guessing UEFI, secure boot is ON

One thing you might want to try is resetting your UEFI settings and looking for ‘boot keys’ / ‘secure boot reset’ within the UEFI settings. It varies model to model but try resetting absolutely everything to defaults and see if it resolves :slight_smile: