Most PCs should continue working fine, even if they don't receive the updated certificates.
Your Linux PC has a Secure Boot problem - what to do first (and the workaround to avoid) ...
A crucial Windows security certificate just expired - how to check your PC ...
Over the past few months, we’ve been reporting on a major change to the Secure Boot certificates used in Windows 11, which are required for a secure system boot. Microsoft has repeatedly warned that ...