GLibC error after update - can't boot

[jonathon]

@Fra

a blank black screen with a blinking cursor

You can see the boot messages by editing the GRUB boot line (press ‘e’ at the boot prompt) and removing the word quiet, then pressing F10 to boot.

[FAQ] Computer doesn’t boot, boots to a black screen, or stops at a message

While there are many potential reasons why your installation doesn’t boot to a desktop, the primary reason is that the graphics drivers haven’t loaded correctly so your login/display manager (DM) doesn’t start. This is why you get a “black screen” or stuck at an [ OK ] Started some service message. The normal reason for this is that you have the incorrect driver version for the kernel. This can happens when the mirror you are updating from is not fully synchronised, or times out, and so y…

Also, this:

@Zircon34

What did you mean by cleaning up your DE in your OP?

Did you remove Xorg or your DM or something?