If you see Event ID 55, 50, 140, or 98, The file system structure on the disk is corrupt and unusable in Event Viewer on Windows; follow this guide.

Microsoft has released the KB5058379 cumulative update for Windows 10 22H2 and Windows 10 21H2, with four fixes and changes, including one for an SGRMBroker bug.

If MMC could not create the snap-in when opening Task Scheduler, Event Viewer, Device Manager, Group Policy Editor, etc. on Windows 11/10, see this post.