I'm also experiencing the same problem on a laptop: Acer Swift 3 SF314-43-R2LX.
I'm running: Ubuntu 22.04.1 LTS Linux 5.15.0-60-generic #66-Ubuntu SMP Fri Jan 20 14:29:49 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux I tried adding the requested apport-collect 1930783, but I get error: "the report is already closed". But still the problem persists. ** Changed in: linux (Ubuntu) Status: Expired => New ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1930783 Title: integrity: Problem loading X.509 certificate Status in linux package in Ubuntu: Confirmed Bug description: Following error shows on Acer machines while booting when UEFI boot is enabled. integrity: Problem loading X.509 certificate -65 The issue is discussed at https://bugzilla.opensuse.org/show_bug.cgi?id=1129471 and a patch is available at https://lkml.org/lkml/2019/7/16/23. Seems like this patch is not included in Ubuntu as I'm still getting this error. I'm using Linux Mint 20, which is based on Ubuntu 20.04. This error comes while live booting Ubuntu 20.04 and Ubuntu 18.04 also. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1930783/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp